3. As production manager for the Trapper Lawn Equipment Company, you are concerned about the impact of marketing’s sales plan accuracy on inventory performance. If the future actual sales for January through June are off by the same average historical error percentage as the last three months (see table in Problem 2):

a. What is the historical forecast error?

b. What would your estimate of actual sales be for January through June?

c. What would the days of supply and inventory level be assuming the production plan is executed according to the current plan and your estimate in part b is correct?

d. What options would you consider to address this problem?