If APR is 24.99%, this means that the monthly rate is 24.99/12 = 2.0825%. T0 - Time of Purchase - Principal amount is $396 T1 - 1 month after purchase - Amount owing is 396*1.020825 = $404.25 5% of that sum is $20.21 Remaining balance is 404.25-20.21 = $384.04 T2 - 2 months after purchase - Amount owing is 384.04*1.020825 = $392.04 5% of that sum is $19.60 Remaining balance after 2 months is 392.04-19.60 = $372.44 T3 - 3 months after purchase - Amount owing is 372.44*1.020825 = $380.20 5% of that sum is $19.01 Remaining balance after 3 months is 380.20 - 19.01 = $361.19. Seeing by your answer choices i would say Option D is your closest Hope it helps !!
