1. Wheat grains harvested and stored at three storage warehouses 1, 2, and 3. Then the grains of wheat are transported to the mills located in other areasare A, B, and C.
Every month, the number of grains of wheat available in each warehouse 1, 2, and 3 was 150 tons, 175 tons and 275 tons. While the number of grains per month demanded by mills A, B, and C respectively TURT is 200 tons, 100 tons and 300 tons.
Shipping costs a ton of wheat from the warehouse each mill to vary according distance and transport systems are used. These costs are written in the following table:
The
problem is how many tons of wheat to be shipped from the warehouse to each mill of the month for a total minimum transportation costs. Using NWC and MODI.
2. Sales Honda grown steadily since 5 years ago, the Sales Manager has estimated sales in 2010 will reach 420 units. By using exponential smoothing with weights α = 0.30, make a forecast for the years 2010 to 2015. Specify the MAD, MSE, MAPE ) 2010-2014).
Years Sales Frecasting
2010 450 415
2011 496
2012 516
2013 564
2014 585
2015 ?
Milling warehouse
A B C
1 6 8 10
2 7 11 11
3 4 5 12