Megan Brink is offered the possiblity of investing $11,242 today at 4% interest per year in a desire to accumulate $16,000. How many years must Brink wait to accumulate \$16,000? (PV of \$1, EV of S1, PVA of \$1, and EVA of S1) (Use appropriate factor(s) from the tables provided. Pound your "PV of a single amount" to 4 decimal places and final answer to the nearest whole number.)