Model (C)	Model (X)	Model (Y)
Initial Cost	$7,500	$10,000	$12,500
Life (years)	4	4	4
Annual Savings	$2,500	$2,750	$7,000

22. Calculate the Internal Rate of Return for purchasing Model C
    1. IRR_C < 10%
    2. 10%< IRR_C < 20%
    3. 20%< IRR_C < 30%
    4. Cant calculate it since the future worth of the project is unknown
    5. Equals MARR