Sabor Inc. is a medical testing laboratory that performs several tests and analyses for hospitals in the area. Four of the tests that it performs require the use of a specialized machine that can supply $14,000$ hours per year. Information on the four lab tests is as follows:Test ATest BTest CTest DCharging rate$$65$$$51$$$48$$$32$Variable cost$$25$$$18$$$13$$$8$Machine hours$3210\mathrm{.}5$What is the contribution margin per unit of machine time for Test D$?$Group of answer choices$$20$$$32$$$8$$$48$$$24$ Previous Next