the cost graphs in the illustr ation belew shows various types of cont behavios Grach I Graph 2 Grach 3 Graph 4 Graph 5 Activity Base Acbivity BaseActivity Base For each of the follewing costs, ldentity the cost graph that best describes its cost behavior as the number of units produced and sold increases a. Sales commissions ol $6,000 plus $005 for each item seld h Rent on warehouse of $12,000 per month C Insurance cosats of $2.500 per moreh 4 Per-unt cost ot direct labor . Tatal saarles of qulity cntrol supervisars One supervisor must be added for each adstional work shit g. Per-unlt straight ls dgreclation ons Total deect materias t