Alma Molloy Has Recently Been Promoted to Sales Manager for a Medium-Sized

Alma Molloy has recently been promoted to sales manager for a medium-sized consumer products wholesaler. She wants to find out the names of prospects and customers being called on, products sold, terms of sale, methods of payment, and mode of shipment. Which of the following sources of sales information will be most helpful to Ms. Molloy?

A) consumer diaries and salespersons' expense accounts
B) sales invoices and salespersons' call reports
C) individual customer and prospect records and warranty cards
D) warranty cards and store audits