Collin and Christine are married and file joint. Their dependent son, Trevor, is a full-time college student at a qualified educational institution. This year Collin and Christine borrowed $30,000 to pay for Trevor's tuition and room and board ($8,000). At year end Collin paid $3,200 in interest on the loan. What amounts can Collin and Christine deduct for interest if they estimate that their AGI will be $132,000 absent any deductions for AGI?