Mosh, a sole proprietor, uses the cash basis of accounting. At the beginning of the current year, accounts receivable were $25,000. During the year, Mosh collected $100,000 from customers. At the end of the year, accounts receivable were $15,000. What was Mosh's gross taxable income for the current year? A. $75,000 $90,000 B. C. $100,000 D. $110,000