A compamy finds the totil cost of producing 25 items is $3,450, while they cen produce 55 thems for a total cost of $10,850. They have a revenue of $9,000 by selling 75 items. Answer each of the following. Enter al ansiners below using exact numbers, and put equations in slope-intercopt form. Let x be the number of items. (o) Find the prosuction cost (in dollars) per item. (b) Find the compary/s inear profit function. P(x)=