Damon Watkins, the Director of Finance & Operations for Cal Poly Center for Innovation & Entrepreneurship, is a motivated, personable business professional with a 15+ year track record in multiple aspects of financial control, management and policies/procedures. Learn how to set up your company and move around QuickBooks. Everyday Transactions: selling: invoices, sales receipts, payments, deposits, credit memos, and customer statements. Buying: bills, bill payments, checks, bill payment stubs, bills vs. checks, and credit memos. Inventory: purchase orders, receive items, adjust inventory. Sales Taxes: set up, adjust, pay, and report sales taxes.