110) Regrind, Inc. regrinds used typewriter platens. The cost per platen is $1.20. The cost to regrind 100 platens is $400. Find the linear cost function to regrind platens. If reground platens sell for $8.80 each, how many must be reground and sold to break even? A) C(x) = 1.20x + 400 B) C(x) = 1.20x + 280 breakeven = 41 breakeven = 288 C) C(x) = 1.20x + 400 D) C(x) = 1.20x + 280 breakeven = 54 breakeven = 37