Assume that joseph is a single taxpayer who does not itemize deductions and operates a sole proprietorship During 2020, his business generates 5140,000 of business income, $40,000 of deductible business expenses (no adjustment for self-employment tax deduction is necessary in this question) and 52,400 of interest income from his business deposits. He has no other sources of income. Joseph's AGIIS 5102.400 What is Joseph's qualified business income deduction