please show necessary formulas. thanks

Consider the following two mutually exclusive projects: u Net Cash Flow End of year Project A Project B 0 - $1,000 - $1,000 1 $912 $284 2 $684 $568 3 $456 $852 4 $228 $1,136 Click the icon to view the interest factors for discrete compounding when i = 25% per year. (a) At an interest rate of 25%, which project would you recommend choosing? The present worth of Project A is $ (Round to the nearest cent.)