Consider the project described in the table below:

Activity Duration

Immediate

Predecessor

A $7-$

B $10$ A

C $5$ A

D $3$ A

E $1$ B

F $8$ B$,$C

G $6$ C$,$D

H $10$ E$,$F$,$G

What is the earliest start time $($EST$)$ and latest completion time $($LCT$)$ of activity C$?$

Group of answer choices

EST $=7$ and LCT $=17$

EST $=7$ and LCT $=15$

EST $=7$ and LCT $=19$

EST $=7$ and LCT $=12$