Secretary of the Treasury Janet Yellen, right, shares a laugh with Treasurer of the United States Chief Lynn Malerba after Yellen was introduced to speak during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen walks though curtains to speak after touring the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen speaks after touring the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen walks into a secured area to speak after touring the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen tours the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

A worker carries a sheet of newly printed one dollar bills bearing the signature of Secretary of the Treasury Janet Yellen during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen, center, talks with Treasurer of the United States Chief Lynn Malerba, left, and Deputy Director Charlene Williams during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen's signature is shown on a just printed sheet of bills during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen, left, and Treasurer of the United States Chief Lynn Malerba show of money they autographed during a tour of the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen, left, and gets a tour of the Bureau of Engraving and Printing's (BEP) Western Currency Facility from Deputy Director Charlene Williams, right, and Director Leonard Olijar, top center, with Treasurer of the United States Chief Lynn Malerba looking on in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Five dollar bills are displayed during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen's signature is shown on five dollar bills during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen speaks after touring the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022.(AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen's and Treasurer of the United States Chief Lynn Malerba's signatures are shown on five dollar bills during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen, left, and Treasurer of the United States Chief Lynn Malerba show of money they autographed during a tour of the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen's and Treasurer of the United States Chief Lynn Malerba's signatures are shown on five dollar bills during a visit to the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)

Secretary of the Treasury Janet Yellen, left, and Treasurer of the United States Chief Lynn Malerba autograph just printed money during a tour of the Bureau of Engraving and Printing's (BEP) Western Currency Facility in Fort Worth, Texas, Thursday, Dec. 8, 2022. Yellen unveiled the first U.S. currency bearing her signature, marking the first time that U.S. bank notes will bear the name of a female treasury secretary. (AP Photo/LM Otero)