please answer using the table

An investment has an installed cost of $827,450. The cash flows over the four-year life of the investment are projected to be $319,745. $304,172,$245,361, and $229,431. o. If the discount rate is zero, what is the NPV? Note: Do not round intermediate colculations and round your answer to the nearest whole number, e.g., 32. b. If the discount rate is infinite, what is the NPV? Note: A negotive answer should be indicated by a minus sign. Do not round intermediate calculotions and round your answer to the nearest whole number, e.g., 32. c. At what discount rate is the NPV equal to zero? Note: Do not round intermediate colculations and enter your answer os o percent rounded to 2 decimal places, e.g., 32.16