Given this truth table, find the unoptimized formula this corresponds to, along with the version which was optimized with a K-Map. A B C D | O ___________ 0 0 0 0 | 1 0 0 0 1 | 1 0 0 1 0 | 1 0 0 1 1 | 1 0 1 0 0 | 1 0 1 0 1 | 0 0 1 1 0 | 0 0 1 1 1 | 0 1 0 0 0 | 1 1 0 0 1 | 0 1 0 1 0 | 0 1 0 1 1 | 0 1 1 0 0 | 1 1 1 0 1 | 0 1 1 1 0 | 0 1 1 1 1 | 0 Unoptimized Sum of Products equation 4a) O = Draw the K-map and simplify Optimized Sum of Products equation 4b) O =