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please show all work 8.4 A small consulting engineering company bought an office

ID: 1099499 • Letter: P

Question

please show all work

8.4 A small consulting engineering company bought an office building for $900,000. The company has ten engineers and eight support staff. Monthly expenses for salaries, utilities, grounds mainte- nance, etc. are $1.1 million. If the average billing rate per engineer is $90 per hour, how many hours per month must be billed in order for the company to make a profit of $15,000 per month? Use an interest rate of 1% per month and assume the building will have a market value of $1.5 million after 10 years.

Explanation / Answer

Monthly payout of FV of office and payment of PV of office were calculated using PMT formula in excel.

Monthly cost of office = Monthly payout of FV of office - Monthly payment of PV of office

Monthly revenue that is need to get a profit of $15000 = $15000 + $1.1M + monthly cost of office.

Life of office 10 Value of office $          900,000.00 Future Value of office after 10 yrs $      1,500,000.00 Monthly payout of FV of office $               6,520.64 Monthly payment of PV of office $          (12,912.39) Monthly cost of office $            (6,391.74) Monthly expense $    (1,100,000.00) Monthly profit $            15,000.00 Monthly revenue $      1,121,391.74 Monthly hours billed 12460