Given :
The amount of money Tony borrowed = $7,000
interest rate = 5% = 0.05
Time = 4 months = 4/12 years = (1/3) year
So, the interest =
[tex]7000\cdot0.05\cdot\frac{1}{3}=116.67_-[/tex]So, the total money need to repaid = 7000 + 116.67 = 7116.67
Rounding to the nearest dollar
So, the answer is : $7117