Ryan owns a store with two divisions: parts and power tools. The parts division reported sales of $400,000 with variable costs amounting to $175,000. The power tools division had sales of $600,000 and variable costs of $350,000. What is the sales mix as a percentage of sales dollars for Ryan's store? 23% power tools: 77% parts 60% power tools; 40% parts 25% power tools: 75% parts 40% power tools; 60% parts