In a certain chemical manufacturing process, the daily weight y of defective chemical output depends on the total weight x of all output according to the empirical formula y = 0.01x + 0.00003x2 where x and y are in pounds. If the profit is $100 per pound of nondefective chemical produced and the loss is $20 per August 29, 2011 14:26 c04 Sheet number 55 Page number 286 cyan magenta yellow black 286 Chapter 4 / The Derivative in Graphing and Applications pound of defective chemical produced, how many pounds of chemical should be produced daily to maximize the total daily profit?