In the basic EOQ model, if annual demand is 170, holding cost is $3.78 (per unit per year), and total inventory related cost on the basis of EOQ is $310, the ordering cost per order (rounded to the next whole number) is

A. 75

b. 150

c. 155

2. Construct the appropriate control chart for the 11 observations, and determine if the process is in control using two sigma limits. No. of defects per unit for the observations are: 3, 3, 10, 5, 11, 8, 9, 4, 10, 4, 11.

a. Under control

b.1 observation out of control

c.2 observations out of control

d. 3 observations out of control