Final answer:
The present value ratio of Project X is 1.17 and the present value ratio of Project Z is 1.15. Project X has a higher present value ratio and is the recommended investment option.
Step-by-step explanation:
The present value ratio of Project X is $117,000 divided by $100,000, which equals 1.17. The present value ratio of Project Z is $138,000 divided by $120,000, which equals 1.15. To make a decision on which project to invest in, you can compare the present value ratios. In this case, Project X has a higher present value ratio, indicating that it is the better investment option.
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