For Chapter 10 (Relevant Costing - Sales Mix) Questions: For Chapter 10 (Relevant Costing - Make vs. Buy) Questions: Assume OH is 75% variable and 25% fixed Assume Selling Expense is 2/3 variable and 1/3 fixed Assume Admin Expense if 50% variable and 50% fixed For Chapter 11 (Capital Budgeting) Questions: Assume initial investment is $98,000 for all three projects: Also assume that cost of capital is 9.0% for all three projects