Consider a company that is deciding on hiring one three distributors to transport to three destinations. If the shipping costs from each distributor to each destination are as shown below, how many integer and binary decisions variables would be in a LP model in standard form?

		Destination
	1	2	3	Supply
Distributor
1	4	5	6	120
2	3	7	7	120
3	5	2	3	120
Demand	30	40	50

a. 6 integers; 2 binary

b. 12 integer; 6 binary

c. 12 integer; 12 binary

d. 9 integer; 3 binary

d. 9 integer; 3 binary

e. 12 integer; 9 binary