Problem Solving

In "Dairy", milk is processed to produce "Pure Ghee" and "SNF". One kg of milk should be processed to produce 5 gms of pure ghee and 80 gms of SNF. Pure Ghee and SNF are sold at Rs.120/kg and Rs.200/kg respectively. If the cost of processing the milk is Rs.6/kg and the fixed cost of running the "Dairy" for a day is Rs.300, then which of the following can be the total quantity (in kgs) of milk processed per day and the corresponding cost (in Rs./kg) of milk such that the "Dairy" makes a profit of 10% per day?

120, 12
120, 10
150, 15
150, 12
150, 10