Answer:
16%
Step-by-step explanation:
Given: Cost of building new salon is $280000.
Annual revenue is $67320.
Annual expenses is $38600.
salvage value is $79000.
First, lets calculate Annual income.
Annual income=

Annual income=

Now, calculating the average investment.
Average investment=

Average investment=

∴ Average investment=

Annual rate of return=

Annual rate of return=

∴Annual rate of return on the project is 16%.