Problem $8-12$ NPV or IRR $($LO$1)$

A new computer system will require an initial outlay of $$20,000,$ but it will increase the firm's cash flows by $$4,000$ a year for each of the next $8$ years.

a$.$ Calculate the NPV and decide if the system is worth installing if the required rate of return is $9\%.$

Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to $2$ decimal places.

$\backslash$table$[[$Net present value,$],[$Worth installing,$]]$

b$.$ Calculate the NPV and decide if the system is worth installing if the required rate of return is $14\%.$ Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to $2$ decimal places.

$\backslash$table$[[$Net present value$],[$Worth installing$]]$

c$.$ How high can the discount rate be before you would reject the project?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

Maximum discount rate