Answer:
the principal amount is $6,415.35
Explanation:
The computation of the principal amount is given below:
Amount = Principal × (1 + rate of interest)^time period
$14,000 = Principal × (1 + 11.2% ÷ 12)^7× 12
$14,000 = Principal × (1.00933)^84
So, the principal is
= $14,000 ÷ 2.18227
= $6,415.35
hence, the principal amount is $6,415.35