Answer:
Total Payment is $1305
Explanation:
simple interest = (principal × rate × time)/100
p = $1200
time = 5 months
rate = 21%
Interest = (1200 × 21 × 5/12)/100
= 12 × 21 × 5/12 = 21 × 5
Interest = $105
Total payment = credit balance + interest
= $1200 + $105
= $1305