The following table shows the number of instructions for a program. Arith Store Load Branch Total 350 50 800 120 1320 1.6.4 (5] Assuming that arith instructions take 6 cycle, load and store 3 cycles, and branches 5 cycles, what is the execution time of the program in a 500 MHz processor? 1.6.5 [5] Find the CPI for the program. 1.6.6 [10] If the number of load instructions can be reduced by one half, what is the speedup and the CPI