Ainsley has accumulated $241,894.50 in an investment account by making beginning-of-quarter contributions of $3,800. The investment account earns 8.1% compounded quarterly. How long will it take Ainsley to accumulate her goal of $500,000 ? Express your answer in years and months (rounding up to the nearest month). Referring to the "?"s in the table, and considering inflows and outflows of cash, enter the appropriate values in the blanks below. N (rounded to 2 decimals )= How long until her goal is reached