Greenplus Systems has a defined benefit plan for its employees. On retirement at age 65, the plan provides 1.95% of the 4-year final average salary for each year of service, up to a maximum of 60%. Sharon retired this year at age 65 with 29 years of service. Her last 4 years' salaries were $63,188, $66,031, $69,333, and $71,413. What is her pension benefit? O $39,618.60 O $37,471.73 O $40,494.60 O $38,166.30