A 1,000 square foot office space is leased at $15.00 per square foot during the first year with $2.00 step-up provisions each of the following years. The lease is gross with an expense stop set at $6.65 per square foot, and yearly expenses per square foot are as follows: $6.00, $6.65, and $7.05. The lease provides for two months of free rent at the end of the lease term. If the lease term is three years and the discount rate is 10%, what is the effective rent per square foot?

The answer is supposed to be 7500