Please show how to do the problem using formulas. Thank you :)

Value of mixed streams Find the present value of the streams of cash flows shown in the following table, 1. Assume that the firm's opportunity cost is 10%. a. The present value of stream A is $ (Round to the nearest dollar.) b. The present value of stream B is $ (Round to the nearest dollar.) c. The present value of stream C is $ (Round to the nearest dollar.) 1: Data Table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) A B Year Cash Flow Year Cash Flow Year Cash Flow 1 1 1-5 $10,000/yr $8,000/yr 2 2-5 $11,000 $5,200/yr $7,000 6-10 - $1,900 $2,900 $4,100 $6,000 $8,100 3 6 4 5