Currently, your firm sells $800$ units a month at a price of $$100$ a unit. You think you can increase your sales by an additional $50$ units a month if you

switch to a net $30$ credit policy. The quarterly compounded APR is $6\%$ and your variable cost per unit is $$80.$ What is the present value for the

incremental cash inflow of the proposed credit policy switch? $($Do not use the $ sign. If your answer is $$1,234\mathrm{.}56,$ enter $1234\mathrm{.}56)$

Numeric Response