Please help answer questions 5-10 thank you

Prime cost consists of direct materials combined with: selling costs cost of goods manufactured indirect material direct labor In any decision making situation, sunk costs are irrelevant and should be ignored. True False Corporate social responsibility is a concept where organizations consider the needs of all stakeholders when making decisions. True False Property taxes and insurance premiums paid on a factory building are examples of manufacture overhead. True False Conversion costs do not include direct materials. True False Given the cost formula Y = $15,000 + $5X. Total cost at an activity level of 8.000 units would be $40,000. True False