Imagine we have some projects with their financial information, which option is the best candidate for a portfolio. (we like to have our initial investment returns in less than 3 years.

a. BCR=4, ROI=10%, payback period=4 years

b. BCR=3, ROI=15%, payback period=3.2 years

c. BCR=2, ROI=15%, payback period=2.2 years

d. BCR=2, ROI=20%, payback period=2.1 years