Doris owned a diamond necklace that was originally purchased by her grandmother, Frieda, for $4,500. When Frieda died, the necklace was worth $11,600 and had passed to Doris' father, William. William spent $825 to have the chain repaired. It was valued at $14,875 at the time of William's death, when Doris inherited it. Doris died, leaving her estate to her cousin, Rose. At the time of Doris' death, the necklace was worth $17,935. Rose's basis in the necklace is __________. $4,500 $12,425 $14,875 $17,935

Dennis, a 69-year-old single taxpayer, received $23,000 in SS benefits in 2018. He also earned $10,000 in wages and $5,000 in interest income, $3,000 of which was tax-exempt. The percentage of Dennis' social security benefits that will most likely be considered taxable income is ___*

0% Up to 50% Up to 85% Up to 100%

Explain Please!