Jeanette (65) is a retired governmental employee. In 2018, she received pension payments from a Section 401(a) plan totaling $31,000. The amount she included in her federal adjusted gross income was $30.169. Her Maryland pension exclusion, computed using the Pension Exclusion Computation Worksheet (13A), is $21,600. Other than social security benefits, she did not receive any other retirement benefits during the year. What amount should Jeanette report as retirement income in Part 4 of Form 502R, Retirement Income? 

a. $21,600 

b. $30.169 

c. $30.600 

d. $31,000