$$ Paper.com receives $500,000$ orders annually with an average revenue per order of $$130$ and a cost of goods per order of $$67\mathrm{.}50.$ Paper.com's current order fill rate is $92\%.$ Colleen estimates that of the orders not filled correctly or completely, $10\%$ of the customers cancel their orders, and $90\%$ will accept a reshipment of the correct$/$unfilled items. This rehandling costs Paper.com $$10$ per order. To retain customers, Paper.com reduces the invoice value of rehandled orders by $$15.$