Here's the statement of earnings for William's Plumbing Services Inc. for the six months from July through December 2020: **William's Plumbing Services Inc.** **Statement of Earnings** **For the Six Months Ended December 31, 2020** ** Explanation: Revenue from services** Plumbing service collections: $82,000 Step 2/3 Uncollected invoices: $7,800 **Total Revenue**: $89,800 **Expenses** Assistant's wages: $18,800 Payroll taxes: $930 Vehicle operation (oil, gas, maintenance): $3,300 Rent: $4,080 ($3,400 + $680 unpaid for December) Supplies: $18,900 Utilities and telephone: $2,750 Insurance: $1,060 Miscellaneous expenses (including advertising): $1,620 Depreciation (truck and tools): $4,200