Valu$-$Com Electronics manufactures five different models of telecommunications interface cards for PCs and laptops. As summarized in the following table, each of these devices requires differing amounts of printed circuit board, resistors, memory chips, and assembly. Per Unit Requirements HyperLink FastLink SpeedLink MicroLink EtherLink Printed Circuit Board $($square inches$)20151085$ Resistors $2824181216$ Memory Chips $88446$ Assembly Labor $($in hours$)0\mathrm{.}750\mathrm{.}60\mathrm{.}50\mathrm{.}651$ The unit wholesale price and manufacturing cost for each model are as follows.