Your firm sells expensive water bottles. The price for the water bottles is $$50$ per unit and variable cost is $$20$ per unit. Your firm currently offers customers credit terms of net $45,$ but you are thinking about longer credit terms to increase sales. Sales quantity now is $75,000$ units. The new credit terms would be net $60,$ and you expect sales to increase $3\%.$ Your firm$$s cost of funds is $7\mathrm{.}0\%.$ What is the value $($NPV$)$ of the change in credit terms?