$120,000 is deposited in a fund that pays 5% annual compound interest for 2 years, 3% annual compound interest for 2 years, and 4% annual compound interest for 2 years. If uniform annual withdrawals occur over the 6-year period, what will be the magnitude of the annual withdrawals?

a- $23,791.72

b- $22,853.39

c- $21,928.73

d- $23,043.60