Posters.com is a small Internet retailer of high$-$quality posters. The company has $$890,000$ in operating assets and fixed expenses of $$156,000$ per year. With this level of operating assets and fixed expenses, the company can support sales of up to $$4,900,000$ per year. The company$$s contribution margin ratio is $9\%,$ which means that an additional dollar of sales results in additional contribution margin, and net operating income, of $9$ cents.