Question 136367
Pert
9051.12=4800(1+r)^t
9051.12/4800=(1+r)^13
1.88565=(1+r)^13
(1+r)=13th root of 1.88565
(1+r)=1.05
r=1.05-1
r=.05 or 5% is the interest rate.