Computer Products Produces Two Keyboards,Regular and Special

Multiple Choice

Computer Products produces two keyboards,Regular and Special.Regular keyboards have a unit contribution margin of $128,and Special keyboards have a unit contribution margin of $720.The demand for Regulars exceeds Computer Products' production capacity,which is limited by available machine-hours and direct manufacturing labour hours.The maximum demand for Special keyboards is 80 per month.Management desires a product mix that will maximize the contribution toward fixed costs and profits.Direct manufacturing labour is limited to 1,600 hours a month and machine hours are limited to 1,200 a month.The Regular keyboards require 20 hours of labour and 8 machine hours.Special keyboards require 34 labour hours and 20 machine hours.
Select the appropriate linear programming objective and constraint functions designed to maximize Computer Products total contribution margin.Let R represent Regular keyboards and S represent Special keyboards.

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