Yojiro, a Japanese citizen, was admitted to the U.S. as a B1 nonimmigrant on February 10, 2021 at JFK airport and was issued an I-94 with the generally granted validity period. Yojiro remained in the US beyond his authorized period of stay because, due to the pandemic, it took him longer to locate an appropriate warehouse for his new business as well as to interview and hire the staff that he needed to put in place prior to his departure. Yojiro departed from the US on February 1, 2022. Which of the following statements is true?

(a) Yojiro has triggered the three-year bar to reentry because he has overstayed his period of admission (b) Yojiro has triggered the three-year bar to reentry because he violated the terms of his B1 status by engaging in unauthorized employment (c) Yojiro has triggered the ten-year bar because he overstayed his period of admission and engaged in employment while present in the U.S. (d) Yojiro is not subject to either bar to reentry if he departs the U.S. today