In 2019, theo, a single taxpayer, operates a sole proprietorship in which he materially participates. his proprietorship generates gross income of $320,000 and deductions of $600,000, resulting is a loss of $280,000. the large deductions are due to the acquisition of equipment and the use of immediate expense and additional first-year depreciation to deduct all of the acquisitions. what is theo's excess business loss for the year? a.$-0-. b.$25,000. c.$250,000. d.$280,000 e. none of these choices are correct.