Alex is a member of a contributory, best-earnings, defined-benefit plan. For 2019, Alex's contributory earnings were $63,110 and the YMPE was $57,400. The first contribution rate on amounts to the YMPE is 5% and the second contribution rate is 9% on amounts above YMPE. How much is Alex required to contribute to the plan?
a) $3,383.90
b) $3,669.40
c) $8,036.00
d) $8,835.40