1.) The answer is Letter B - 2,803.86 (Add the balance, the interest, and the late fee)
Credit balance : 2,745.69
Monthly interest : 29.17 [(2,745.69 x 12.75%) / 12 months]
Late fee payment : 29.00
2,803.86
2.) The answer is Letter D - 52.12 (get the difference between the first store and the second store after deducting the 10% discount)
First store : 268.97
Second store : 216.86 [240.95 - (240.95 x 10%)]
52.12