Question 3 Not yet answered Ma d out of 1.00 p Flag question Which of the following is/are considere s material control activity? a. Control over storing b. All the given options c. Control over the purchasing d. Control over use of materials Next page Question 4 Not yet answered Marked out of 1.00 P Flag question Samsung produces 23 varieties of mobile phones. The contribution from all the mobile phone is called as; a. Contribution margin b. Marginal cost c. Product margin d. Fund