David is a college professor who does some consulting work on the side. He uses 25% of his home exclusively for the consulting practice. He is single and 63 years old. His AGI (without consideration of consulting income) is $42,750. Other information follows: Income from consulting business Consulting expenses other than home office Total costs relating to home: Interest and taxes Utilities Maintenance and repairs Depreciation (business part only) Required: Calculate David's AGI. (Do not round intermediate calculations.) AGI Answer is complete but not entirely correct. $ 42,658 $ 4,300 1,740 6,680 1,620 510 1,800