$($Corporate income$$ tax$)$Last year$$ Sanderson, Inc. had sales of $3\mathrm{.}4$ million. The$$ firm's cost of goods sold came to $2\mathrm{.}2$ million, its operating expenses excluding depreciation of $105,000$ were $393,000,$ and the firm paid $155,000$ in interest on its bank loans. $$ Also, the corporation received $48,000$ in dividend income$($from a company in which it owned less than $20$ percent of its$$ shares$)$ but paid $21,000$ in the form of dividends to its own common stockholders. Use the corporate tax rates shown in the popup$$ window, LOADING...$,$ to calculate the$$ corporation's tax liability. What are the$$ firm's average and marginal tax$$ rates?