Micro Economics N Domain-namecheap Quiz 5 - Chapter 70 Saved Help Save & Exit Subm Your grandmother invested a lump sum 26 years ago at 4.25 percent interest. Today, she gave you the proceeds of that investment which totaled $51,480.79. How much did she originally invest? $15,929.47 $16,500.00 $17,444.86 $17,500.00 Quiz 5 - Chapter 7 0 Saved Help Save & Exit Submit Multiple Choice $15,92947 $16,500.00 $17,444.86 $17,500.00 $17999.45 ) None of the options are correct.