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Ravel Co. has budgeted sales of 46755 units for the upcoming 3 months, from January 1 to March 31. The company has 18271 units of finished goods on hand in opening inventory and would like to have 25349 units on hand at March 31. It requires 3 litres of raw material to produce 1 litre of finished goods. Opening inventory is 91721 litres of raw materials and the target ending inventory is 106977 litres. How many litres must Melton purchase in the period from January 1 to March 31? Select one: a. 155521 b. 53833 C 161499 d. 176755