Differential Pay Schedule $($answers will be large$)$

Ford pays it plant employees based on the following monthly schedule:

$1-100$: $$300,101-150$: $$400,151-200$: $$450$

Dawn completed $153$ cars. What was her pay for September? $(1$pt$)$

Matt completed $159$ cars. What was his pay for September? $(1$pt$)$