ABC Distribution has two plants (1, and 2) from which it ships product to four distribution centers (A, B, C, and D). The following table reports the shipping costs between each plant and distribution center, the plant manufacturing capabilities (in thousands), and the distribution center product demands (in thousands). WAREHOUSE A B C D Manufacturing Capability Plant 1 $7 $2 $5 $3 60 Plant 2 $8 $14 $8 $12 80 Demand 15 40 20 30 = Define the symbol S1A = 1000s of units of product shipped from Plant 1 to distribution center A, S1B = 1000s of units shipped from Plant 1 to distribution center B, ...., S2D = 1000s of units shipped from Plant 2 to distribution center D. Using these symbols which of the following is a symbolic statement of the condition that total shipment out of Plant 2 does not exceed the capacity at the plant? = In Cambodia, 2 laborers, each making the equivalent of $4 per day, can produce 20 units per day. In China, 2 laborers, each making the equivalent of $3 per day, can produce 30 units. In Billings, Montana, 5 laborers, each making $50 per day, can make 60 units. Based on labor cost/unit, how much does the most economical location cost? Please specify only the amount up to two decimals. e g. 24.40