A company is considering two alternatives with the following costs: Materials costs Labor costs Overhead costs Inspection costs Alternative 1 $61,000 $37,000 $17,000 $30,000 Alternative 2 $56,000 $37,000 $26,000 $25,000 Identify the costs that are relevant and the costs that are not relevant, given the choice of alternatives. Calculate the differential cost between the alternatives. a Material cost Labor cost Overhead cost Inspection cost b. Differential cost