Restaurant YY & QQ offers two items: menu A and menu B. The restaurant has a fixed cost of $20,000. Based on the table on these two menus, answer the following questions. (24 pts) Item Price vcu S'% Menu A $22.00 $11.00 60% Menu B $18.00 $9.50 40% a) What is the weighted contribution margin %, WCM%, of Menu A and B? (5pts) b) What is the breakeven sales level in dollars (BE$) ? (6 pts) c) Assuming 20% tax rate, what is the desired sales revenue in order to generate net income of $20,000? (6 pts)