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5 ? E Calculating the number of periods - Excel FORMULAS DATA REVIEW HOME INSERT PAGE LAYOUT VIEW Arial 12 AA % M BIU TA Cells Editing Alignment Number Conditional Format as Cell Formatting Table Styles Styles rd Font f ENPERO A B D E F G H Solve for the unknown number of years in each of the following: Complete the following analysis. Do not hard code values in your calculations. Present value Years Interest rate Future value $ 560 ENPER( 1 6% $ 1,389 $ 810 NPER(rate, pmt, pv, [fvl. [type]) 1,821 S 18,400 11% $ 289,715 S 21,500 13% $ 430,258 Sheet1 ADY empt(s) 2/3