following is a series of statements related to the graph below: i. the ending inventory for period iv is approximately 0. ii. the inventory level increases during period i. iii. starting inventory for period i is greater than 0. iv. there are back orders at the end of period ii. which of the above statements are true? Group of answer choicesI, only is true.I, II, and IV are true.I, III, and IV are true.All of the statements are true.The correct combination is not given