Answer:
1. Net Present Value
Annual Cash flow = Net operating income + depreciation
= 550000+800000 = 1,350,0000
Present value annuity factor at 19% for 5 years = 3.058
NPV = (3.058x 1,350,000 ) - 3500000 = 628300
2. IRR
IRR is the rate at which NPV will become zero
hence PVAF at R % ,5 years x 1,350,000= 3500000
PVAF at R %, 5 years = 2.59
From the Present value annuity factor table in 5 year raw at 20% we will get 2.991
NPV at 20% = 2.991 x 13,50,000-40,00,000 = 37850
Now take PVAF at 21% from table (We want to get lesser NPV, so taking the next highest percentage from the table)
NPV at 21 % = 2.926 x 1350000-40,00,000=49900
So, IRR = 20% + (37850/37850+49900) x 1%
= 20.43%
3. Simple rate of return
Rate of return = Average net operating income / average investment
= 550000/4000000
= 13.75%