Concept:Errors like transposition affect whether the trial balance agrees.Explanation:Errors of omission, commission, and original entry are all errors that still leave the debit and credit totals equal, so they do not affect the trial balance.An error of transposition occurs when figures are written in the wrong order, for example recording 450 as 540.This creates a difference between the total debits and total credits, which affects the accuracy and authenticity of the trial balance.Answer:C. Error of transposition