A new computer system will require an initial outlay of $$20,500,$ but it will increase the firm's cash flows by $$4,800$ a year for each of

the next $6$ years.

a$.$ Calculate the NPV and decide if the system is worth installing if the required rate of return is $8\%.$

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

$2$ decimal places.

b$.$ Calculate the NPV and decide if the system is worth installing if the required rate of return is $13\%.$

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

$2$ decimal places.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.