Social Security Benefits. Lucia is a 69-year-old single individual who receives pension of $10,000 per year and Social Security benefits of $7,000. Lucia is cc the possibility of selling stock she has owned for years and using the funds to p summer home. She will realize a gain of $20,000 when she sells the stock, whic paying $1,000 of dividends each year. Lucia says her brother recommended the half of the stock this year and half next year because selling all of the stock at o affect the tax treatment of her Social Security benefits. a. Compute her AGI under the assumption she sells all of the stock now afte $1,000 dividends from the stock. b. Repeat the computation under the assumption she sells only half of the sto and also receives $1,000 dividends from the stock