$2.$ A company makes a single product whose weekly demand is $200.$ Identify the bottleneck if

a$)$ The company runs $8$ hour shifts every day of a $5$ day week and takes $10$ minutes to make the

product. b$)$ The company runs $8$ hour shifts every day of a $5$ day week and takes $20$ minutes to make the

product. c$)$ The supplier can give raw materials at the rate of $20/$day and the company operates at the rate described in a above

d$)$ The supplier can give raw materials at the rate of $40/$day but the company takes $2$ days to place the order. All other conditions remain the same as in c$.$