DJA Trucking Co. owns several truck used in hauling crushed stones from three different plants to three road projects in Pampanga. The contractor in charge of the project gives the company the ff. Projec A B C F/T X Y Z Requirement per week 150 175 140 A B P100 P200 150 175 200 500 C P75 225 125 Plants X Y Z Available per week 145 160 160 Compute for the optimal hauling schedule and the total transportation costs. (Use stepping stone and Least Cost Method (minimum entry method))