A program consisting of 204 instructions is executing on a simple processor. Each instruction takes 4 cycles to complete, with a clock rate of 546 KHz. How long will it take to execute the program? Give your answer in units of milliseconds with at least 1 decimal place of precision.
A. 1.5 ms
B. 1.8 ms
C. 2.2 ms
D. 2.6 ms