will upvote for complete answers

QUESTION 3 Kimberly is a self-employed taxpayer She recently spent $1,500 for airfare to travel to Italy. On the trip, she spent 4 days on personal activities and 6 days on business activities. What amount of the airfare is deductible? QUESTION 4 Rente operates a proprietorship selling colectibles over the web, and last year she purchased a building for $24 million for her business. This year, Renee's proprietorship reported revenue of 583 million and incurred total expenses of $77.6 million Hor expenses included cost of goods sold of $48.5 million, sales commissions paid of $6.9 million, $8.5 million of interest paid on the building mortgage, and $12.7 million of depreciation What is the maximum amount of business Interest expense that Renee can deduct this year