How do I solve this particular problem?

Exercise 1-11 Two items are omitted from each of the folowing summaries of balance sheet and income statement data for two proprietorships for the year 2017, Greene's Goods and Solar Enterprises. Determine the missing amounts Greene's Goods Solar Enterprises Beginning of year: Total assets Total liabilities Total owner's equity $110,000 $129,000 85,000 80,000 End of year: Total assets Total liabilities Total owner's equity 160,000 120,000 40,000 180,000 50,000 130,000 Changes during year in owner's equity Additional investment Drawings Total revenues Total expenses 25,000 37,000 220,000 175,000 100,000 60,000