NPV \& NPV Index Practice - Giza Corporation Giza Corporation is considering investing in a new machine and has assembled the following information: Instructions: Use the information provided above to calculate the NPV and NPV index to determine whether or not you would consider investing in the equipment. Not all of the sections below are applicable to every data set - skip the sections that do not apply to this data. Note: Sometimes you have a choice as to whether you use annuity factors or "single payment" factors, when calculating NPV, so working areas have been provided below for both. Use ONLY ONE of the two NPV sections provided below