Use the Gantt chart and activity list to determine when resource $3$ is free.

Activity

Resources

Activity

Resources

R

$3$

M

$1$

H

$1$

K

$5$

G

$4$

J

$3$

F

$2$

P

$1$

B

$2$

S

$2$

T

$4$

W

$3$