∠3 and ∠4 are supplementary angles. If ∠3 measures 50°, what is the measure of ∠4​

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425

I’m pretty sure it’s i think : /