I want full detailed explanation of attached questions which formula to be used and explanation with details, Real Estate Finance And Investment Chapter 11, thanks.

1. A property that produces an annual NOI of $100,000 was purchased for $1,200,000. Debt service for the year was $95,000 of which $93,400 was interest and the remainder was principal. Annual depreciation is $38,095. What is the taxable income? (C) (A) $5,000 (B) $6,600 (C) - $31,495 (D) - $33,095 2. An investor who has $75,000 in taxable income purchases a building that produces another $15,000 in taxable income. According to the table below, what is the marginal tax rate? (D) Taxable Income $0 - $34,000 $34,001 - $82,150 Over $82,150 Marginal Tax Rate 15% 28% 31% (A) 29.50% (B) 29.57% (C) 28.00% (D) 31.00% 3. A small office building is purchased of $1,200,000 with a balloon mortgage that is due at the end of year 10. Payments are based on a 25 year amortization period. If one point was charged, what annual amount can be deducted for tax purposes? (A) (A) $1,200 (B) $480 (C) $0 (D) $800 4. The adjusted basis can be defined as: (A) (A) Original cost + capital improvements - accumulated depreciation (B) Sales price - mortgage balance - sales costs (C) Sales price - accumulated depreciation (D) Original cost - mortgage balance - sales costs -1