That answer for the challenger is wrong

An existing robot is used in a commercial material laboratory to handle ceramic samples in the high-temperature environment that is 9 upgraded at a cost of $2,000. Because of this situation, a new advanced technology robot has been selected for potential 3 users of the new robot and data obtained from the manufacturer. The firm's before-tax MARR is 18% per year. Based on this information, should the existing robot be replaced? Assume that a robot will be needed for an indefinite period ?Click the icon to view the data for the Defender and the Challenger Click the icon to view the interest and annuity table for discrete compounding when i-9% per year 2 Click the icon to view the interest and annuity table for discrete compounding when MARR-18% per year. The AW value for Defender is $ 13511. (Round to the nearest dollar.) The AW value for Challenger is $1-14967. (Round to the nearest dollar.)