Indentify type of company from balance sheets

The current asset sections of the balance sheets of three companies follow. Which company is a service company? Which is a merchandiser? Which is a manufacturer? How can you tell?

X Treme

Y Not?

Zesto

Cash

$ 2,500

Cash

$ 3,000

Cash

$ 2,000

Accounts receivable

5,500

Accounts receivable

6,000

Accounts receivable

5,000

Inventory

8,000

Prepaid expenses

500

Raw materials inventory

1,000

Prepaid expenses

300

Total

$ 9,500

Work in process inventory

800

Total

$ 16,300

Finished goods inventor

4,000

Total

$ 12,800