The owner of an office supply store initially spends $400 to bring in a new line of pens that he wants to sell. he buys a pack of 10 pens for $3 and sells each pack for $5. he plots one line to represent his costs and another to represent his income. which statement about the situation is true? a ) the store owner will never break even. b ) the store owner’s costs will always be more than his income. c ) the store owner will break even when he sells 200 packs of pens. d ) the store owner will break even when he sells 1,000 packs of pens. e ) the store owner’s income is more than his costs until he sells 200 packs of pens.