"Karenna Fifeman, a single taxpayer from Florida, purchased a piece of land on Marco Island for $4,600 as an investment back in 20X1. Earlier this year on January 14, 20X6, Karenna purchased $1,200 of stock as an investment. On June 5, 20X6, she donated the land and stock, with fair market values of $15,900 and $2,000 respectively, to her synagogue on Marco Island, FL.

Calculate Karenna Fifeman's charitable contribution deduction for 20X6 assuming her adjusted gross income (AGI) was $75,000 in 20X6."