Salary progression 15-27. PhD go brrr

$7.50/hr, food service worker (15)
$8.00/hr, food service worker (16)
$8.50/hr, food service worker (17)
$9.50/hr, grocery store clerk (18)
$0, college student (19)
$14/hr, seasonal product support specialist (21)
$31/hr, software engineering intern (22)
$33/hr, computer science R&D intern (23)
+ 34k, grad student
$36/hr, year round computer science R&D intern (24)
+ 34k, grad student
$36/hr, year round computer science R&D intern (25)
+ 37k, grad student
$43/hr, year round computer science R&D intern (26)
+ 18.5k, grad student
$150k, senior technical staff, R&D (27)