2. Otis "Bad" Blake is enduring hard times and needs an advance on his paycheck. Otis needs $450 now to keep his electricity from being shut off. Otis is desperate and turns to Guido at Tucumcari Pawn & Paycheck Advance to get the money, Guido agrees to advance Otis the $450 and, in return, Otis agrees to repay Guido $468 in 20 days when he receives his paycheck. Otis is thrilled that it will only cost hima meager $18 to get out of this bind. Assuming a 360-day year, what is the effective annual rate (EAR), 'that Guido charges Otis for the paycheck advance? (10 points)