Question: The processor offers a 6 0 % speedup at $ 5 4 0 per 1 % improvement, while the disk drive offers a 1 2

The processor offers a 60% speedup at $540 per 1% improvement, while the disk drive offers a 120% speedup at $813 per 1% improvement. The system spends 80% of its time in CPU operations and 60% waiting for disk operations. Determine which upgrade option (processor or disk drive) provides the most cost-effective improvement in system performance.

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