Answer each of the following independent questions concerning supplies and the adjustment for supplies.
(a) The balance in the supplies account, before adjustment at the end of the year, is $2,100. What is the amount of the adjustment if the amount of supplies on hand at the end of the year is $385?
(b) The supplies account has a balance of $675, and the supplies expense account has a balance of $1,310 at December 31, 2007. If 2007 was the first year of operations, what was the amount of supplies purchased during the year?