Answer: $1000
Step-by-step explanation:
From Tyrell's calculation, if he invests his additional credit card payment at the rate 2.5% per annum for one year could earn him simple interest totaling $300
Recall:
Simple interest = principal × rate × time
Principal = additional credit card payment
$300 = principal(P) × (2.5/100) × 1
$300 = P × 0.025 × 1
$300 / 0.025 = P
P = $12,000
Therefore, additional payment per year = $12,000
Monthly payment thus equals :
$12,000 / 12 = $1000