William and Mary Shaw are married, file a joint tax return, and have one dependent child, Donna. The Shaws report modified AGI of $90,000. The couple paid $12,000 of tuition and $10,000 for room and board for Donna, a full-time first-year student at Weston College and claimed as a dependent by William and Mary. Determine the amount of the Shaws' American Opportunity credit for the year. O $2,000 O $1,000 $2,500 $4,000