Answer:
21.28%
Explanation:
Nominal annual percentage = Discount/(100-discount) * 365/(Days paid after purchase - Days of discount period)
Nominal annual percentage = 2/(100-2) *365/(45-10)
Nominal annual percentage = 2/98 * 365/35
Nominal annual percentage = 0.02041 * 10.4286
Nominal annual percentage = 0.212847726
Nominal annual percentage = 21.28%