Im doing my homework for account and I dont understand the difference in the phrasing between quietion 1 and 2. When should I use which table.

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Calculate the present value of the following amounts 1. $15,000 at the end of ten years at 6% 2. $15,000 a year at the end of the next ten years at 6% (If using present value tables, use factor amounts rounded to three decimal places, X.XXX. Round your final answers to the nearest whole dollar.) (Click the icon to view Present Value of $1 table. (Click the icon to view Present Value of Ordinary Annuity of $1 table.) I. The present value of $15,000 at the end of ten years at 6% is $ 2. The present value of $15,000 at the end of the next ten years at 6% is $ L