Given the following frequency distribution, Mid price of a commodity 15 25 35 45 55 Number of items sold 27 A 28 B 19

(a) If 75% of the items were sold in birr 45 or less and most items were sold in birr 34, find the missing frequencies. (b) If 25% of the items were sold in greater than or equal to birr 45 and most items were sold in birr 34, find the missing frequencies.