Consider the following two projects: Project Year 0 Year 1 Year 2 Year 3 Year 4 Cash Flow Cash Flow Cash Flow Cash Flow Cash Flow A - 100 40 50 90 NA B - 73 30 30 30 30 Discount Rate 0.12 0.12 The payback period for project A is closest to: O A. 2.1 years O B. 2.5 years O c. 2.3 years D. 1.9 years