can any one answer these examples 2 and 3.!

On 1 April Cash and Carry Co purchases for resale 2,000 tins of beans at a cost of 0 05 a tin The selling price is 0 08 per tin During the month of April 1,000 tins are sold What is the profit for the month? Frample 3 At the start of January, Henry has an opening inventory of product X: 1,000 units at 10 per unit. During January, he purchased 4,000 units of product X at 10 per unit Sales of product X for the period were 4,200 units at a selling price of 15 per unit What is the gross profit for the month