1. Equipment costing $80,000 was acquired on October 1, of this accounting period. It is estimated to have a useful life of six years. The equipment is estimated to have a $8,000 value at the end of its six-year life. 2. Accrued revenues at year-end totalled $ 20,000 not recorded. 3. Prepaid Insurance account showed a balance of $25,200. This was paid and takes effect on April 1 of this accounting period and represents a two-year insurance policy. 4. Accrued salaries at year-end were $36,500. 5. It was determined that $4,200 of completed work was included in the $9,000 Unearned Revenue account balance at year-end. 6. Office supplies account had a balance of $3,000 at the beginning of the accounting period. During the year, $26,000 of supplies were purchased and debited to the office supplies account. At year-end, a count of the supplies revealed that $$22,100 had been used.

Prepare the adjusting journal entries for the year ended June 30, 2020; based on the above.