6) Ron Corps year-end is December 31. Give Rons adjusting entries on that date for the following situations:

1. On May 31, Ron paid for 1 year of insurance coverage, $15,600, in advance. No adjustment has been made since.

2. On September 1, a customer paid $3,000 in advance for 6 months of services (to be provided by Ron evenly over the 6-month period). No adjustment has been made since.

3. Ron began the year with $400 of supplies. During the year, Ron purchased another $350 of supplies. At December 31, Ron has $120 of supplies on hand.

4. Ron employees have a 5-day work week (Monday through Friday). Weekly salary for all employees (in total) is $8,000. December 31 this year falls on a Thursday.