phone. All purchases are paid for by check or credit card. Kronecker has a very generous return policy if customers are not satisfied with the merchandise received. Customers must pay return shipping charges, but their purchase price is then fully refunded. Prices are set so that cost of goods sold is on average 75% of the sales price. Customers pay actual shipping charges, but extra processing is required for overnight deliveries. Kronecker has developed the following activity cost driver rates for its support costs: Required: a.) Using ABC, determine the yearly profit associated with each of the four customers described. b.) Comment on which customers are most profitable and why