Problem 1 (10 puntos); Presented below is a balance sheet for Mark Bledsoe Yard Service at December 31, 2020. MARK BLEDSOE YARD SERVICE Balance Sheet December 31, 2020 Assets Cash Accounts receivable Supplies Equipment $13,000 6,000 9,000 11,000 Liabilities and Owner's Equity Liabilities Accounts payable Notes payable Owner's equity Owner's capital Total liabilities & owner's equity $8,000 15,000 Total assets 16.000 $39.000 $39.000 The following additional data are available for the year which began on January 1: All expenses (excluding supplies expense) total $6,000. Supplies on January 1 were $11,000 and $7,000 of supplies were purchased during the year. Net income for the year was $8,000 and drawings were $9,000. Instructions Determine the following: (Show all computations.) 1. Supplies used during the year. 2. Total expenses for the year. 3. Service revenues for the year. 4. Owner's capital balance on January 1