Problem 1: Productivity Simbols Ltda, has an urgent request for special work clothes for high altitude work in a mine at high altitude. will be used in a high altitude mine work. Working the normal two 40-hour shifts, the hours, the manufacturing process normally produces 2,500 sets per week at the normal cost of $120 each, without considering the of $120 each, excluding labor. There are 70 employees on the first shift and 30 on the second shift. 30 on the second shift, who are paid $9 per hour. The contracted price is $200 per tenida. Due to the urgency of the request, Simbols Ltda. has received authorization to implement a third shift with the same number of operators. third shift with the same number of operators as the second shift, but at an hourly rate with a 50% surcharge. This will allow us to increase production to 4,000 dyeings per week. The production cost for this rush order is maintained at $120/unit for half of the The production cost for this rush order remains at $120/unit for half of the garments and for the rest it would increase to $144/unit for each uniform.

a. Calculate the labor productivity in (units/hh) of the normal, rush, and the percentage change.

b. Calculate the multifactor variation of the normal situation, urgency and percentage variation.

c. Calculate the utility and comment.

d. If you were to make any improvements, what recommendations would you make? Support your answer quantitatively.