Problem 3 (20 pts) Lecturt a. Represent the signed negative numbers -8 and -9 using 8-bit binary digits. Then extent those numbers to a 16-bit binary representation. b. Convert the following MIPS assembly code into its equivalent C code. Assuming Ss6 holds the Base address of array D and Ss1, Ss2, Ss3, Ss4 are represents the variables i, j, k, I. add StO, StO, Ss1 add StOSto. Ss2 add St0, St0, $s3 add St0, St0, $s4