Can someone please show me how to solve these? Thank you...

i) What is the payback period for the following set of cash flows? ound your answer to 2 decimal places Year Cash Flow 5,900 1,400 1.600 2,000 1.500 2 You're trying to determine whether to expand your business by building anew manufacturing plant. The plant has an installation cost of $12.8 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $1,934,300, $1,987,600, $1,956,000, and $1,409,500 over these four years, what is the project's average accounting return ound your answer to 2 decimal places 3) An investment has an installed cost of $530,800. The cash flows over the four-year life of the investment are projected to be $218,850, $235,450, $202,110, and $150,820. a) If the discount rate is zero, what is the NPV? (b) If the discount rate is infinite, what is the NPV? Negative amount should be indicated by a minus sign) (c) At what discount rate is the NPV just equal to zero? ound your answer to 2 decimal places 4 A project has the following cash flows: Year Cash Flow 15,400 6,100 7.400 5.900 (a What is the NPV at a discount rate of zero percent? (b) What is the NPV at a discount rate of 8 percent? o not round intermediate calculations and round your final answer to 2 decimal places.) (c) What is the NPV at a discount rate of 16 percent? egative amount should be indicated by a minus sign. Do not round intermediate calculations and round your final answer to 2 decimal places.) (d) What is the NPV at a discount rate of 28 percent egative amount should be indicated by a minus sign. t? Do not round intermediate calculations and round your final answer to 2 decimal places.)