2-Part Sales Book, 12 Lines, Two-Part Carbon, 6.69 x 4.19, 50 Forms TotalColumns provided to enter quantity, description, price and amount.50 sets per book.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.