Answer:
The nominal annual interest rate is built into the monthly payment plan is 14.4%
Explanation:
E = P×r×(1 + r)n/((1 + r)n - 1)
where:
E is the EMI
p is the Principal
r is the nominal rate
n is the number of periods
$137.41 = $4,000*r* (1 + r)36/((1 + r)^36 -1)
r = 14.4% P.A
Therefore, The nominal annual interest rate is built into the monthly payment plan is 14.4%