What are the journal entries?

1) Ernie's dental clinic sold 60% of merchandise inventory for $10,000.

2) Ernie had purchased 6000 office supplies

3) Ernie's clinic had performed $9000 of services but has not yet billed customers

4)After a physical count, Ernie had found that $450 of merchandise inventory were damaged

5) After a physical count, only $250 of office supplies remained