Dean has earned $70,000 annually for the past 4½ years working as an architect for MWC. Under MWC's defined benefit plan (which uses a 5-year cliff vesting schedule) employees earn a benefit equal to 3.5% of the average of their three highest annual salaries for every full year of service with MWC. What is Dean's vested benefit (or annual benefit he has earned so far)? A. $12,250. B. $42,000. C. $7,350. D. 0