Ted Van Dine owes Oliver Wayne $320 for goods shipped to Van Dines shop. Each month for the past two years Wayne has sent his collection agent, Kent Brewster, to collect on Van Dines account. Unknown to Van Dine, Wayne fires Brewster. Brewster continues to collect money from Van Dine and keeps it for himself. After Van Dine pays Brewster, does he still owe Wayne? Explain your answer.