Data for EastCo are below: Data for EastCo are beiow: Fixed costs are $30,000 per month and the company is seling 3,000 units per month. a) Complete the chart by calculating the variable costs per unit and contribuion margin per unit b) The marketing manager argues that a 55,000 increase in the monthy advertsing budget would increase monety sales b-4512.000. is it a good decision to increase the advertising budget? in is a (Select cone) decision because operating income wil (5ekct one) for the manth by 5 c) Refer to the criginal data Management is consdering using higher-quality components that would inctease the vanable cost by $3. The markating manager believes the higher quality product would increase the number of units sold by 15% per month. is it a good decibion to use higher-quality components? It is a (Sielect one) decision becasuse the controution margin wall (Select one) for the moren by 5