Dentsu to repay $2.3m after admitting advertising overcharges

Dentsu is set to pay back an estimated 230 million yen ($2.3 million) to clients after the agency uncovered a raft of discrepancies, including some cases where fees were charged and no internet advertising placement was made. 
The Japanese ad agency's client Toyota was the first to point out a discrepancy, sparking an investigation in to transactions dating back to November 2012, according to Bloomberg.
Dentsu uncovered 633 suspicious cases affecting 111 advertisers