$11-43$ Product mix, special order. $($N$.$ Melumad, adapted$)$ Gormley Precision Tools makes cutting tools for metalworking operations. It makes two types of tools: A$6,$ a regular cutting tool, and EX$4,$ a highprecision cutting tool. A$6$ is manufactured on a regular machine, but EX$4$ must be manufactured on both the regular machine and a high$-$precision machine. The following information is available: A$6$ EX$4$ Selling price $ $180$ $ $280$ Variable manufacturing cost per unit $ $110$ $ $190$ Variable marketing cost per unit $ $20$ $ $60$ Budgeted total fixed overhead costs $$700,000$ $$1,100,000$ Hours required to produce one unit on the regular machine $1\mathrm{.}00\mathrm{.}5$ Additional information includes the following: a$.$ Gormley faces a capacity constraint on the regular machine