Question 20 4.75 pts If the following accounts listed below are used in Ford Motor Companies accounting system, which accounts listed are known as "contra" accounts? (Select ALL that apply) Sales Allowances Notes Payable Accounts Payable Accounts Receivable Sales return Equipment Allowance for Uncollectible A/R Bad Debt Expense Cost of Goods Sold Deferred Revenue Depreciation Expense Accumulated Depreciation