Francis is a member of a contributory best earnings defined benefit plan. The basic employee contribution rates for this plan are 7% for earnings below the year's maximum pensionable earnings (YMPE) and 8.5% for earnings above the YMPE. If Francis earns $73,000 and the YMPE is $57,400, how much is Francis required to contribute to the plan? a) $4018 b) $5,344 c) $4879 d) $5,396.50