5. The amount sold from two different types of goods of a company has been equal to 40,000 and 100,000 units per year, respectively. If the inventory of either of these two goods at the end of different months of the year is as shown in the table below, it is desirable to calculate the inventory turnover of either of these two goods Sept Oct Nov goods Jan Feb Mar April May 1 8000 8500 12000 9000 7000 30000 20000 25000 0 June July Aug 1000 17000 2000 Dec 4500 3000 5000 12000 2 4000 40000 30000 1000 1000 20000 40000 25000