Homework: Homework #4 Question 4, Problem 8 > HW Score: 40%, 2 of 5 points O Points: 0 of 1 Save Up, Up, and Away is a producer of kites and wind socks. Relevant data on the bottleneck operation in the shop for the upcoming fiscal year are given in the following table: Item Demand forecast Lot size Standard processing time Standard setup time Kites 28,000 units/year 20 units 0.2 hour/unit 3.0 hours/lot Wind Socks 12,000 units/year 70 units 0.8 hour/unit 4.0 hours/lot The shop works two shifts per day, 8 hours per shift, 190 days per year. Currently, the company operates four machines, and desires a 25 percent capacity cushion. How many machines should be purchased to meet the upcoming year's demand without resorting to any short-term capacity solutions? The number of additional machines required is (Enter your response rounded up to the next whole number.)