A new electronics company has released six new products this year, Product 1 at the start of January, Product 2 at the start of March, Product 3 at the start of May, Product 4 at the start of July, Product 5 at the start of September and Product 6 at the start of November. Sales from the factory are always in multiples of 50 units. The charts below show the total number of each of the products sold in each quarter of the year and the income from sales of each product in December.