list and explain the errors which affect the trial balance
•single entry error - made when a transaction is only recorded in one account instead of 2
•addition error - error arises as a result of incorrect addition in any account. may either be added up to be too high or too low
•error in completing double entry - A; recording a transaction on the same side of both accounts B; recording different amounts in both accounts
explain the purpose of the suspense account
a temporary account where all the unexplained differences from the trial balance are posted