You are considering purchasing a small office building for $$3,475,000.$ The expected first$-$year PGI is $$750,000\frac{w}{?}$ vacancy loss equal to $10\%$ of PGI. Operating and Capital expenditures are expected to be $40\%$ and $5\%$ of EGI respectively. The mortgage payment is $70\%$ LTV at a $6\%$ interest rate w$/25-$year term w$/$ monthly compound.

A$.$ What is required equity investment $($ what is the down payment$)$

B$.$ Estimate NOI, the debt service paid in a year, and Before Tax Cash Flow.