Sea Cat, Inc., operates a large catamaran which takes tourists at several island resorts on diving and sailing excursions. The company adjusts and closes its accounts at the end of each month. Selected balances appearing on the June 30 adjusted trial balance are as follows ;

Prepaid rent	6000
Unexpired insurance	1400
Catamaran	46200
Accumulated depreciation:catamaran		9240
Unearned passenger revenue		825

1. Six months rent has been prepaid on June 1.
2. The unexpired insurance is a 12 month fire insurance policy Purchased on March 1.
3. The catamaran is being depreciated over a 10 year estimated useful life, with no residual value.
4. The unearned passenger revenue represents tickets good for future rides sold to a resort hotel for 15 per ticket on June 1. During June, 145 of the tickets were used.

Instructions:

1. Determine
   1. The monthly rent expense.
   2. The original cost of the 12-month fire insurance policy
   3. The age of catamaran in months
   4. How many $15 tickets for future rides were sold to the resort hotel on June 1.
2. Prepare the adjusting enteries which were made on June 30.