please help me do these questions, Thank you!

ng-Invest & Financing 21103 >) Course Post Test ourse Post Test : 57 6:39 1 D6 Consumer demand dictates the types of businesses that exist and how much of a given product or service is available in a: 1. A) monopolistic economy 2.6) oligopolstic economy 3. C) free market economy 4. D) product economy o c inancing 2110 Course Post Test : 5 76:39 D!7 The rate of return is calculated as: 1. A) (dollar amount of average investment) x (dollar amount of return) 2. B) (present value of $1)/dollar amount of average investment) 3. C) (dollar amount of return)/dollar amount of initial investment 4. D) (future value of $1) x (dollar amount of initial investment O D Course Post Test : 576:39 D!8 Income tax expense is deducted in determining: 1. A) total revenue 2. B) gross margin 3. C) income from operations 4. D) income from continuing operations O D Course Post Test : 576:39 D|9 Cost to repair damage to machine incurred when installing the machine should be: 1. A) capitalized 2. B) expensed immediately 3C) capitalized once machine is in use. 4. D) expensed at the end of the life of the machine o c O D