Answer:
$ 654
Explanation:
Mr Harrison borrows money to buy a new phone = $ 600
Simple interest on amount to be paid for 1 year =9%
Time amount to be paid= 1 year
Simple Interest=
Simple Interest=600×
×1
Simple Interest= $54
Total Amount to be paid= 600 + 54
Total Amount = $655
Hence $ 654 is correct answer