$12,000 is the annual depreciation expense associated with the new bottling machine. 7.5% is the simple rate of return on the new bottling machine.
Cost savings = Equipment cost - New machine cost = 30,000 - 12,000 = 18,000. Depreciation per year = Cost of automated bottling machine ÷ Useful years = 120,000 ÷ 10 = 12,000. Simple rate of return = (Cost savings - Depreciation of new equipment) ÷ (cost - salvage of old) = (18,000 - 12,000) ÷ (120,000 - 40,000) = 6,000 ÷ 80,000 = 0.075 = 7.5%.
Depreciation is a non-cash business expense that is estimated over the time that a valuable asset is utilized by your company. The simple rate of return is calculated by dividing the additional net income anticipated from a potential investment opportunity by the initial investment.
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