Rio Imports Information from the Financial Statements Are Provided Below

Rio Imports Information from the financial statements are provided below:
$\begin{array}{lll} & \underline { 2015 } & \underline { 2014 }\\\text { Current Liabilities } &\$ 460,000 & \$ 320,000 \\\text { Long-Term Liabilities } &240,000 & 640,000 \\\text { Stockholders' Equity } &840,000 & 1,080,000 \\\text { Net Cash Flows from Operating Activities } &160,000 & 102,000 \\\text { Interest and Principal Payments } &24,000 & 16,000 \\\text { Net Sales } &950,000 & 900,000 \\\text { Net Income } &180,000 & 144,000 \\\text { Interest Expense} &17,000 & 23,000 \\\text { Income Taxes } &32,000 & 29,000 \\\text { Dividends Paid to Common Stockholders } &30,000 & 60,000\end{array}$
-Refer to Rio Imports.The operating margin percentage for 2015 is an indicator that the company has

A) experienced setbacks concerning the effectiveness of its purchasing,production,pricing,and marketing activities.
B) increased profits by $33,000.
C) improved profitability in relation to sales.
D) net income that is more than it would have been if dividends of $30,000 had been paid.