Answer: The maturity value of the loan will be $6493.32.
Explanation:
Since we have given that
Amount of single payment loan = $3250
Number of days he is agreed to repay the loan = 31 days
Rate of interest = 11.75%
As we know the formula :

where P denotes "Principal"
r denotes "Rate of interest "
t denotes "Time"
So, our equation becomes

So, the maturity value of the loan will be $6493.32.