Under Rule 1, a person might include an amount in gross income that results from which of the following equations? A. 0.50 x [MAGI - (0.50 x Sociai Security benefits) - base amount] B. 0.50 x [MAGI - (0.50 x Social Security benefits) + base amount] C. 0.50 x [MAGI + (0.50 x Social Security benefits) - base amount] D. 0..50 x [MAGI + (0.50 X Social Security benefits) + base amount] Answer = C