______ Mr. Aaron, age 74, retired on May 31, 2020, and received a monthly pension benefit of $800 payable for life. The first pension check was received on June 15, 2020. During his years of employment, Mr. Jones contributed $27,200 to the cost of his company’s pension plan. How much of the pension amounts received may Mr. Aaron exclude from gross income in 2020? 

a). $1,190. 

b). $1,360. 

c). $4,410. 

d). $5,600
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