Answer :
Accounting rate of return = 0.0432 = 4.32%
Explanation :
As per the data given in the question,
Depreciation per year = (Cost - Salvage) ÷ Useful life
= ($810,000 - $10,000) ÷ 8 years
= $100,000
Annual Net income = Annual net cash flow - Depreciation
= $135,000 - $100,000
= $35,000
Accounting rate of return = Annual net income ÷ investment
= $35,000 ÷ $810,000
= 0.0432
= 4.32%
We simply applied the above formula