The following items are taken from the financial statements of the Postal Service for the year ending December 31, 2015:

Accounts payable $ 18,000

Accounts receivable 11,000

Accumulated depreciation equipment 28,000

Advertising expense 21,000

Cash 15,000

Common stock 42,000

Dividends 14,000

Depreciation expense 12,000

Insurance expense 3,000

Note payable, due 6/30/16 70,000

Prepaid insurance (12-month policy) 6,000

Rent expense 17,000

Retained earnings (1/1/15) 60,000

Salaries and wages expense 32,000

Service revenue 133,000

Supplies 4,000

Supplies expense 6,000

Equipment 210,000

What are total current assets at December 31, 2015?