Please help me with Questions 3, 4 and 5

QUESTION 3 1 points Save Answer A company operates 8 hours per shift, two shifts per day, five days a week with 16 hours maintenance per week and other downtime of 2 hours per week. What is the effective capacity in hours per week? QUESTION 4 1 points Save Answer Jo's Furnace Repair has a nine technicians that work five days per week. The effective capacity is four repairs per day per technician. Last week the total number of repairs was 167. What was the efficiency for the group last week? Round to two decimal places. QUESTION 5 1 points Save Answer A factory operates two eight-hour shifts per day, five days per week. Their design capacity is 240 units per hour. Last week they produced 15,000 units. What was their utilization last week? State answer as a precent rounded to two decimal places