The following set of jobs must be processed serially through a two$-$step system. The times at each process are in hours. If Johnson's Rule is used to sequence the jobs then the makespan time $($in hours$)$ for all jobs is

Job

Process $1$

Process $2$

A

$12$

$9$

B

$8$

$11$

C

$7$

$6$

D

$10$

$14$

E

$5$

$8$

Group of answer choices

$95$ hours.

$90$ hours.

$53$ hours.

$42$ hours.