earned value management reports are available to help the progress manager track

The sales day book is a manually-maintained ledger in which is recorded the key detailed information for each individual credit sale to a customer, including the following: Customer name. Invoice number. Invoice date.

This is from goog le

In My own words: sales day book is a ledger or book which they record key detailed information and for each individual credit sale to a customer, which unlikes their customer name, invoice number, invoice date. It kind of shows the seller or workers sale credit to a customer.

Explanation: