I need step by step an answer about The Net alternative minimum taxable income? The question is attached

Alex and Alicia Andrews file a joint tax return. On the return they show Alex's salary of $110,000, interest income from corporate bonds of $3,000, dividends from domestic corporations of $1,000, and a net long term capital gain of $60,000. They also had the following expenses for itemized deductions: $18,000 medical expenses, $8,000 home mortgage interest, $5,000 in consumer interest, $4,000 in deductible taxes, $2,000 charitable contributions and $1,200 in miscellaneous deductions nos subject to the 2 percent limitation. The Andrews claim five exemptions on their return. Determine their net alternative minimum taxable income.