Sigma Systems' price per share of its common stock at the end of last year was $29.75. Its book value on a per share basis was $18.45 while its earnings per share for last year was $2.67. What is Sigma's price/earnings or P/E ratio? C 10.40 11.14 6.91 8.23 Mountain States Electric has net sales of $2,250, total assets of $1,200, cost of goods sold of $450, depreciation expense of $250, accounts receivable of $625, and net income of $175. Determine the common size value for cost of goods sold. Note: This is a Web Appendix 4A topic. 28.0% 20.0% 24.1% 33.5%