Renee operates a proprietorship selling collectibles over the Web. This year, Renee's business reported revenue of $95.5 million and deducted $88.6 million in expenses and loss carryovers. Her business deductions included cost of goods sold of $48.5 million, sales commissions paid of $16.9 million, $10.5 million of interest paid on a mortgage, $10.7 million of depreciation, and $2 million deduction for a net operating loss carryover.

a. What is Renee's adjusted taxable income for purposes of calculating the limitation on business interest expense?

Note: Do not round intermediate calculations. Enter your answer in millions of dollars rounded to 1 decimal place.

b-1. What is the maximum amount of business interest expense that Renee can deduct this year?

b-2. How is the disallowed interest expense (if any) treated? Interest disallowed would be:

c. Suppose that Renee's revenue includes $5 million of business interest income. What is the maximum amount of business interest expense that could be deducted this year under the business interest limitation?

Note: Do not round intermediate calculations. Enter your answer in millions of dollars rounded to 2 decimal places.