The Gross Margin of Truleum Inc (APHE) is -307.55%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2021-12-31 | -307.55% |
| 2020-12-31 | -139.34% |
| 2019-12-31 | -69.16% |
| 2018-12-31 | -14.04% |
| 2017-12-31 | -28.41% |