Question 3: Problem Solving A company has three production facilities St, St and S, with production capacity of 700, 900 and 1400 units per week of a product, respectively. These units are to be shipped to four warehouses D., D. D, and D. with requirement of 500, 800, 700 and 1400 units per week, respectively. The transportation costs (in rupees) per unit between factories to warehouses are given in the table below: D Di Dy D S 30 19 10 50 S 30 70 60 40 S 40 20 70 Find the initial solution for this company in order to minimize its total shipping cost. (Use the Least-cost method to get the starting solution)