Prepare general journal entries with narrations to record the following balance day adjustments as at 30 June 2018.

1) Prepaid advertising expired is$852.

2) Unpaid salaries earned by employees of $2,500.

3) Part of the rent paid in advance for 6 months in 1 June 2018 in the amount of $6,000 has been used up.

4) Service fee revenue received in advance was earned amounting to $3,500.

5) A tenant owes rent of $900 for June.