Tony invested $5,500 in a four-year CD that paid 4.8% interest, but later needed to withdraw $475 early. If the CD’s penalty for early withdrawal was three months’ worth of interest on the amount withdrawn, how much of a penalty did Tony pay?
 a.
 $5.70
 b.
 $22.80
 c.
 $60.30
 d.
 $66.00