Somerville Corp typically sells computer chips for $250 each. To try to increase sales they run a buy one get one free offer for month. The budgeted sales for the month were 200 units. Due to the sale, they sell 400 total units (200 at regular cost and 200 free). The direct materials costs per chip is $50 and the direct labor costs are $75. The sales spending and sales volume variances are:

Suppose that a paving company produces paved parking spaces (q) using a fixed quantity of land (t) and variable quantities of cement (c) and labor (l). the firm is currently paving 1,000 parking spaces. the firm's cost of cement is $3 comma 600.003,600.00 per acre covered (c) and its cost of labor is $35.0035.00/hour (w). for the quantities of c and l that the firm has chosen, mp subscript upper c baseline equals 60mpc=60 and mp subscript upper l baseline equals 7mpl=7. is this firm minimizing its cost of producing parking spaces?