The Samuel McGregor Brewing Company has breweries in three cities; the breweries can supply the following numbers of barrels of draft beer to the company€™s distributors each month:

Brewery                            Monthly Supply (barrels)
A. Moncton ...................................... 4000
B. Vancouver ................................... 5000
C. Winnipeg ..................................... 3500
......................................................... 12,500

The distributors, spread throughout six provinces, have the following total monthly demand:

Distributor                      Monthly Demand (barrels)
1. Nova Scotia ................................ 1800
2. British Columbia ......................... 2100
3. Quebec ...................................... 1700
4. Manitoba .................................... 1050
5. Ontario ....................................... 2350
6. Saskatchewan ........................... 1400

....................................................... 10,400

The company must pay the following shipping costs per barrel:

Determine the minimum cost shipping routes for the company.

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to 2 from 3 4 6. $0.50 $0.35 S0.60 $0.45 A. $0.80 $0.75 0.55 0.40 0.25 0.65 B. 0.20 0.65 0.70 0.55 0.35 C. 0.40 0.50 0.50