$6.$ Loan Terms: $10\mathrm{.}125\%$ Interest, $80\%$ LTV $25$ Year Loan

Income: $$4800/$month

Expenses: $$4200/$Year

Cap Rate: $7\mathrm{.}0\%$

Find the value of the building

Find debt service and Cash on Cash based on that value as the purchase price $($please explain how you calculate debt service as well$)$