Again, instead of charging $$30,000$ each year, assume that you charge the first year's rent $$15,000,$ and will grow it at the rate of $10\%$ for $3$ years after that.

The maintenance will cost you $$5,000$ a year.

You will hold the property for $4$ years, and sell it for $$130,000.$

The appropriate discount rate is $20\%.$

What kind of cash flow patterns are these? Step by step calculation with formulas.