50 points For the following chain of four matrices complete the table for minimum multiplication required and split position of the product using dynamic programming. Show all calculations for the missing position. A1 = 10 X 5 A2 = 5 X 15 Az = 15 X 20 A4 = 20 X 5 m S 1 2 3 4. 1 2 3 4 1 0 750 2500 ? 1 1 1 ? 2 0 1500 1875 2 2 2 3 0 1500 3 3 4 0 4