true and false quarions

please discuse why it is true or false in 1-2 sentence

5) A sophisticated capital budgeting technique that can be computed by solving for the discount rate that equates the present value of a projects inflows with the present value of its outflows is called net present value. 6) A sophisticated capital budgeting technique that can be computed by solving for the discount rate that equates the present value of a projects inflows with the present value of its outflows is called internal rate of return. 7) If its IRR is greater than $0.00, a project should be accepted. 8) If its IRR is greater than 0 percent, a project should be accepted. 9) If its IRR is greater than the cost of capital, a project should be accepted. 10) If a project's payback period is less than the maximum acceptable payback period, we would reject it. 11) If a project's payback period is less than the maximum acceptable payback period, we would accept it. 12) If a project's payback period is greater than the maximum acceptable payback period, we would reject it. 13) If a project's payback period is greater than the maximum acceptable payback period, we would accept it. 14) The payback period of a project that costs $1,000 initially and promises after -tax cash inflows of $300 for the next three years is 3.33 years. 15) If net present value of a project is greater than zero, the firm will earn a return greater than its cost of capital. The acceptance of such a project would enhance the wealth of the firm's owners