Can someone help me with this assignment, I don't understand

$Account Classifications Review$ Tiffany Hamilton owns her own field inspection business called "TJH Environmental". She is a scientist that inspects land for erosion and sediment after gas and oil drilling. She also offers consulting services to clients at a different rate. She can be hired to do inspections from companies or private individuals. What type of business ownership is Tiffany's business ? Sole Proprietorship, Partnership, or Corporation? - What type of business does she operate? Service, Merchandising, Manufacturing, Extracting? -Below is a list of Tiffany's business accounts. Place an X in the column that identifies the proper accounting classification. Account Asset Liability Capital Drawing Expense Revenue Landen Times, Account Receivable Utilities Expense Equipment Cash Sales from Consulting Services Tiffany Hamilton, Capital Dale Oil, Account Receivable Gasoline Expense Supplies Sprowls Supplies, Account Payable Tiffany Hamilton, Drawing Shipping and Postage Expense Prepaid Insurance Sales from Inspection Services