A company earns a profit of rupees 9 per bag of white cement and a loss of rupees 5 per bag of Grey cement sold
(I) The company sells 7000 bags of white cement and 6000 bags of Grey Cement in a month. what is the profit or loss
(II) what is the number of white cement bags it must sell to have neither profit nor loss if the number of Grey bags sold is 5400