9. Consider the two mutually exclusive projects in the table below. Salvage values represent the net proceeds (after tax) from disposal of the assets if they are sold at the end of each year. Both projects B1 and B2 will be available (or can be repeated) with the same costs and salvage values for an indefinite period. Click the icon to view the additional data about the mutually exclusive projects. Click the icon to view the interest factors for discrete compounding when MARR-10% per year (a) Assuming an infinite planning horizon, which project is a better choice at MARR = 10%? Use 15 years as the common analysis period. The present worth for project B1 is $ The present worth for project B2 is $ Which project is a better choice? Choose the correct answer below. O Project B1 O Project B2 (b) With a 10-year planning horizon, which project is a better choice at MARR-10%? The present worth for project B1 is $ The present worth for project B2 is $ Which project is a better choice? Choose the correct answer below. O Project B1 O Project B2 thousand. (Round to one decimal place.) thousand. (Round to one decimal place.) thousand. (Round to one decimal place.) thousand. (Round to one decimal place.) 1: More Info B1 B2 n Cash Flow Salvage Value Cash Flow Salvage Value 0 $20,000 -2,400 -2,400 -2,400 - 2,400 -2,400 10,000 8,000 5,000 4,000 3,000 $18,000 -2,400 - 2,400 -2,400 6,500 3,500 500