In $2024,$ Carnes & Youngberg, CPAs purchased a new heating and ventilation system for their building for $$125,000$ and elected to expense the entire cost under Section bonus depreciation is not used. a$.$ How much of the expense can the firm deduct if its taxable income before the Section $179$ deduction is $$150,000?$ b$.$ How much of the expense can the firm deduct if its taxable income before the Section $179$ deduction is $$110,000?$ c$.$ What if the firm had an operating loss of $$25,000?$ I just need the answers to why. Why are these the answers to a$,$b and c$?$