2. European Vacation in 5 years: Assume you need $18,000 for the European vacation you hope to go on in 4 years. How much will you have to save annually, assuming you can invest at an 10% return? (a) $_____________. What if you could find a 12% annual return rate? How much would you need to save monthly? (b) $ ___________ What is the difference in monthly (HINT: Some conversion using the financial calculator is needed here for which value??) savings needed on the 10% vs. the 12%? (c) $_____________