please help me answer the problem

2. Corporation VB was formed in 2023. Immediately prior to yearend, VB is considering a $500,000 deductible expenditure. It can either make the expenditure before the end of 2023; or wait until 2024. However, if it waits, the cost of the expenditure will increase to $525,000. Before considering this expenditure, VB has the following projected pretax cash flows and taxable income for 2023, 2024, and 2025: a. Using a 5 percent discount rate, compute the NPV of VB's after-tax cash flows if the expenditure is in 2023. b Using a 5 percent discount rate, compute the NPV of VB's after-tax cash flows if the expenditure is in 2024. c. Based on your calculations, when should VB make this expenditure