The pie chart presents the percentage contribution of different macronutrients to a typical $2,000\; \mathrm{kcal}$ diet of a person.
The typical energy density $(\mathrm{kcal} / \mathrm{g})$ of these macronutrients is given in the table.
| Macronutrient |
Energy density (kcal/g) |
| Carbohydrates |
$4$ |
| Proteins |
$4$ |
| Unsaturated fat |
$9$ |
| Saturated fat |
$9$ |
| Trans fat |
$9$ |
The total fat (all three types), in grams, this person consumes is
- $44.4$
- $77.8$
- $100$
- $3,600$
