John is a software engineer and contributes 10% of his salary to his 401(k). His employer makes matching contribution of 3% of salary. Last year, John earned $50,000, but he received a raise and will earn $65,000 this year. Also, John contributes $2,000 to an IRA at the end of each year. What is his total savings rate this year?

a. 14.08%.

b. 16.08%.

c. 18.08%.

d. 20.08%.