Logistic activity, i need the answer

Calculate the average period of nancial maturity, and indicate the meaning of the results obtained from a commercial company that purchases and sells on credit. and offers us the following data from his last nancial year expressed in euros: Purchase of goods, 25,000; the average stock of goods in warehouse, 5,000; sales, at sales price, of goods, 30,000, (all goods purchased were supposed to be sold]; average customer balance, 4,000; and average provider balance, 2,500