The accounting department of MNO Limited (MNO) provides two sets of data for June. The first data relates to the purchase, and the second data relates to the sales. Table 1. The First Set of Data - Purchases 1st June 6th June 11th June 19th June 28th June The following data relates to the sales: 1185 units @9 711 units @ 10 474 units @ 12 1185 units @11 158 units @ 13 Table 2. The Second Set of Data - Sales 9th June 237 units @ 13 14th June 1422 units @ 13 24th June 553 units @ 15

Required: Based on the above information, calculate the following for the month of June 20X0: a) Cost of goods sold (COGS) b) cost of closing inventory C)gross profit