Eric, age 53, had the following items of income in 2017"

- Investment returns as a limited partner in a partnership of $1,200

- Unemployment compensation of $350

- Income from a law practice of $600

- Deferred compensation from a former employer of $14,000

- Alimony of $750

- Wages of $1,000

What is the maximum contribution Eric can make to an IRA in 2017?

a) $2,350

b) $2,700

c) $5,500

d) $17,900