A building materials and supply store sells to business and final consumers. Last month the average sale to business con­sumers was $856.08, and the average sale to final consumers was $43.95. There were 128 business customers averaging 5 purchases during the month, and 2,593 final customers that averaged 2.3 purchases per month. Calculate the total monthly sales for each customer type, the overall total monthly sales, and the percentage of total sales for each customer category.