23 EL Chester, aged 46, is a member of his employer's defined contribution pension plan. The plan requires both the employer and the employee to each contribute 9% of the employee's pensionable earnings. Chester's annual pensionable earnings are $42,500. What is the combined annual employee and employer contribution to Chester's plan? a) 53,825 b) 57,650 c) 58,500 d) 512,750