O the amount of man 5 pts Question 27 Which of the following is NOT a reason for companies to assign costs to products or services? O to help determine pricing O to determine the best supplier of raw materials to help understand profitability to help value inventory Question 28 5pt Why would a company use a predetermined overhead rate rather than an actual overhead rate? O an actual overhead rate is not known until the end of the accounting period the predetermined rate is easier the predetermined rate is always more accurate O it is impossible to ever calculate an actual rate Question 29 5 Which of the following is true regarding a contribution approach income statement