The Baily Corporation has developed a specialized software program that improves inventory control capability. The following table/information provides the necessary data to evaluate:

Quarter	Forecast (units)	Regular Time	Overtime	Sub-Contract
1	500	400	80	100
2	750	400	80	100
3	900	800	160	100
4	450	400	80	100

Initial Inventory = 200 units

Regular Time Cost = $2.50/unit

Overtime Cost = $1.00/extra per unit

Subcontracting Cost = $4.00/unit

Carrying Cost = $.50/unit

Back-Order Cost = $.75/unit

The company decides that the initial inventory of 200 units will incur the 50/unit cost from each prior quarter.

a. Find the optimal plan using the transportation method. [ Select ] ["$6,535", "$6,345", "$6,289", "$6,890"]

b. What is the total cost of the plan? [ Select ] ["$6,635", "$6,535", "$6,832", "$6,734"]

c. Does any overtime time capacity go unused? [ Select ] ["cannot determine", "no", "yes"] If so/not, how much in which periods or not? [ Select ] ["period 3 - 100 units, period 4 - 30 units", "all overtime capacity is used", "period 2 - 10 units, period 3 - 60 units, period 4 - 100 units", "period 3 - 60 units, period 4 - 30 units"]

d. What is the extent of back-ordering in units and dollars? [ Select ] ["0 - no back-ordering was utilized", "180 units", "50 units", "90 units"]