Answer:
Annual interest rate is 5.80%
Explanation:
For this question, we use the Rate formula that is shown on the attached excel spreadsheet
Given that,
Present value = $2,600,000 × 80% = $2,080,000
Assuming figure - Future value or Face value = $0
PMT = $12,200
NPER = 30 × 12 months = 360
The formula is shown below:
= Rate(NPER,PMT,-PV,FV,type)
The present value come in negative
So, after solving this, the annual interest rate is 5.80%