G$.$ R$.$ Edwin Inc. had sales of $$5\mathrm{.}94$ million during the past year. The cost of goods sold amounted to $$2\mathrm{.}7$ million. Operating expenses totaled $$2\mathrm{.}52$ million, and interest expense was

$$21,000.$ Use the corporate tax rates shown in the popup window, to determine the firm's tax liability. What are the firm's average and marginal tax rates?