Cullumber Inc produces and sells three products. Unit data concerning each product is shown below. The company has 2,300 hours of labor available to build inventory in anticipation of the company's peak season. Management is trying to decide which product should be produced. The direct labor hourly rate is $12. (a) Your answer is correct Determine the number of direct labor hours per unit. (Round answers to 2 decimal places, eg 52.75.) Determine the number of direct labor hours per unit. (Round answers to 2 decimal places, es. 52.75.) eTextbook and Media (b) Determine the contribution margin per direct labor hour. (Round intermediate calculation to 2 decimal places, eg. 52.75. and final answers to 0 decimal ploces, es. 52.)