Consider four mutually exclusive and a do nothing alternative, each having an 8-year useful life.

	A	B	C	D
First cost	$1000	$800	$600	$500
Uniform annual benefit	125	120	100	125
Salvage value	750	500	250	0

a.) Construct a choice table for interest rates from 0% to 100%.

b.) If the MARR is 8%, which alternative should be selected?

Please use Microsoft Excel to answer each part. Label each part accordingly.