This question earns extra credit up to 8pts. The problem requires using the transportation method of linear programming. The production planning period for flat-screen monitors at Louisiana's Rao Electronics, Inc., is 4 months. Cost data are as follows:

Regular-time cost per monitor	$70
Overtime cost per monitor	$110
Subcontract cost per monitor	$120
Carrying cost per monitor per month	$4

For each of the next 4 months, capacity and demand for flat-screen monitors are as follows:

	Period
	Month 1	Month 2	Month 3a	Month 4
Demand	2,000	2,700	1,500	2,200
Capacity
Regular time	1,600	1,600	750	1,600
Overtime	500	500	200	500
Subcontract	700	600	700	600
aFactory closes for 2 weeks of vacation.

CEO Mohan Rao expects to enter the planning period with

400

monitors in stock. Backordering is not permitted (meaning, for example, that monitors produced in the second month cannot be used in the first month to cover first month's demand).

Minimizing total cost using the transportation method, the total cost is

$enter your response here

(enter your response as a whole number).