Question 17 of 20 Stephen bought a 182-day T-bill that has a simple interest rate of 4.30% p.a. and a face value of $25,000. a. How much did Stephen pay for the T-bill? O $23,969.32 O $24,475.22 O $15,131.65 O $2,832.54 b. After 38 days, Stephen sold the T-bill to her friend when the simple interest rate for this T-bill in the market increased to 6.05% p.a. What was his selling price? O $2,574.14 $23,573.79 O $24,417.20 O $14,484.36