A force $$\vec{F} = (5\hat{i} + 3\hat{j} + 2\hat{k})N$$ is applied over a particle which displaces it from origin to the point $$\vec{r} = (2\hat{i} - \hat{j})$$ m. The work done on the particle in joules is

A

$$-7$$

B

$$+7$$

C

$$+10$$

D

$$+13$$