A compiler produces a program with the following mix of instructions:
Instruction Class Count
1 9
2 5
3 9
If it is executed on a processor with a clock period of 8 microseconds, and the following Instruction Class CPIs, what is the execution time in microseconds? Round to the nearest 0.1 microseconds.
Instruction Class CPI
1 8
2 3
3 8
A. 64.0 μs
B. 65.5 μs
C. 66.9 μs
D. 68.3 μs
