2. 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 Requirement per week ABC 150 175 140 F/T A B P100 P200 P75 Y 150 175 225 200 500 125 Plants Available per week X>N 145 Y 160 Z 160 Compute for the optimal hauling schedule and the total transportation costs. (Use stepping stone and minimum entry method)