27. LO.3 In 2021, MSU Corporation has $500,000 of adjusted taxable income, $22,000 of business interest income, and $120,000 of business interest expense. It has average annual gross receipts of more than $26,000,000 over the prior three taxable years.

a. What is MSU’s interest expense deduction?

b. How much interest expense can be deducted if MSU’s adjusted taxable income is $300,000?