If Wildling Construction's net sales increased from $40,000 to $77,000 and its operating expenses increased from $32,000 to $52,000, the vertical analysis based on net sales would show the following for operating expenses for the two periods: (Round your final answer to the nearest percentage.) A. OB, C. D. 80% and 68%. 125% and 148%. 148% and 125% 68% and 80%. Which of the following ratios measures the earnings of a company on each dollar of assets invested? O A. Return on assets O B. Return on equity O C. Current ratio O D. Return on sales