High
school

1 month
n/a
14 days
$10
7 days
$12
5 days
$15
3 days
$16
48 hours
$19
24 hours
$21
12 hours
$23
6 hours
$25

College
.

1 month
n/a
14 days
$13
7 days
$14
5 days
$17
3 days
$18
48 hours
$20
24 hours
$22
12 hours
$25
6 hours
$28

Under
graduate.

1 month
$14
14 days
$16
7 days
$17
5 days
$19
3 days
$21
48 hours
$24
24 hours
$26
12 hours
$28
6 hours
$30

Masters
.

1 month
$20
14 days
$22
7 days
$24
5 days
$26
3 days
$28
48 hours
$30
24 hours
$35
12 hours
$38
6 hours
$40

PhD
.

1 month
$25
14 days
$27
7 days
$29
5 days
$33
3 days
$35
48 hours
$38
24 hours
$40
12 hours
$42
6 hours
$45