Woody Woodworks makes and sells cedar planter boxes, charging $35 for each box. Woody had purchased tools costing $756 to make the planter boxes. Wood and other supplies cost $8 per box if the boxes are unfinished. An additional amount for supplies would be spent if the boxes were painted.
(a) To break even, how many unfinished boxes must he sell?
(b) A special order from the City of Langdale for 100 boxes at $30 per box has been negotiated. The city wants the boxes to be painted. To make a profit of $12 per box, how much can be spent on additional painting supplies?