Drury Corporation, which was organized three years ago, reports the following adjusted current earnings (ACE) and preadjustment alternative minimum taxable income (AMTI) amounts. Second previous year Last year Current year ACE AMTI (excluding ACE adjustment) $3,000 2,500 $2,000 2,000 $1,000 2,500 What is the ACE adjustment to increase (or decrease) taxable income to arrive at AMTI for the second previous year?