The economic profit earned by Ryzard from running his own business is $13,800.
The economic profit is the actual profit that is earned by the business owner after deducting all the costs and expenses from the total amount of revenue earned during the specified period.
Computation:
[tex]\begin{aligned}\text{Economic Profit}&=\text{Accounting Profit}-\text{Saving Interest}-\text{Annual Salary}\\&=\$60,000-(\$20,000\times6\%)-\$45,000\\&=\$60,000-\$1,200-\$45,000\\&=\$13,800\end{aligned}[/tex]
Therefore, total amount of economic profit from the business is $13,800.
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