• Monday average gross margin for 2023 was 88.5%, a 1.53% increase from 2022.
• Monday average gross margin for 2022 was 87.17%, a 0.57% increase from 2021.
• Monday average gross margin for 2021 was 86.68%, a 1.13% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.