A machine is supposed to produce four different products. The relevant information is given in the following table. Product Monthly Demand Processing time per unit Units in minutes 1 2500 6.0 2 8000 5.0 3 7000 2.0 4 1500 9.0 In a month, there are 20 working days with 8 working hours for each day. (a) (12 points) Compute the total time in minutes required to produce all the units in the month (b) (5 points) Compute total time in minutes each equipment will work in a month (c) (3 points) Compute number of machines required to produce all items in the month