Jacob is a participant in JJs defined benefit plan. Jacob is 37 years old and earns $160,000. He has 4 years of service for purposes of the plan and has worked at the firm for 5 years. The plan provides a benefit of 1.5% for each year of participation. The plan has the least generous vesting schedule possible. Almost 70 percent of the accrued benefits are attributable to the fifteen equal owners, who have all been working at the company for decades. If Jacob were to leave today, what percent of his salary (as defined by the plan) could he expect to receive at normal retirement?

a. 3.6%. b. 4.8%. c. 6.0%. d. 6.4%.