Knott's Industries manufactures standard and super premium backyard swing sets. Currently it has four identical swing-set-making machines, which are operated 325 days per year and 8 hours each day. A capacity cushion of 20 percent is desired. The following information is also known: Standard Model Super Premium Model Annual Demand 20,000 10,000 Standard Processing Time 10 min 20 min Average Lot Size 45 25 Standard Setup Time per Lot 30 min 45 min A-Does Knott's have sufficient capacity to meet annual demand? Knott's ( dose not, or dose? here what i should to chose?) have sufficient capacity to meet annual demand because ( ) machines are needed. (Enter your response rounded up to the next whole number.)