X=50 A company manufactures a product that is used in home appliances. The factory building is rented for $150*X per month and the material cost is $75 per unit. The labor cost is $12/hour. An 80% learning curve applies to labor, and it takes 5 hours to complete the first unit. The company decides to use the time of the X unit as a standard for cost estimation. If the selling price per unit is P-$1,200-0.05D, find the following: a [10 marks] The value of the variable cost per unit c. (round the final answer for c to the nearest integer). b. 15 marks] The optimum number of units, to be produced in a month, to maximize revenue. c. 15 marks] The optimum number of units, to be produced in a month, to maximize profit.