From the calculations that have been done in this question, Marquis's accounting profit is 108,400, his economic profit is 43,400
Formula for Accounting profit
TR - Total explicit cost - Interest
= 210,000 - 100,000 - 40,000 * 4%
= 108,400
Therefore the total accounting cost is 108,400
Formula = TR - Total explicit cost - Interest - Total implicit cost
= 210,000 - 100,000 - 40,000 * 4% -65,000
= 43,400
Therefore the total economic profit is given as $43,400
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