• DoorDash average gross margin for 2019-12-31 was 0%, a 0% decline from 2020-03-31.
• DoorDash average gross margin for 2020-03-31 was 0%, a 0% decline from 2020-06-30.
• DoorDash average gross margin for 2020-06-30 was 0%, a 0% decline from 2020-09-30.

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.