I need help. Can you solve this?​

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Will give brainliest what is the value of x? enter your answer in the box.

Convert 2000 swiss francs to dutch guilders