Given below is the past 5 months' information of an Coca-Cola manufacturing company. Month Production cost (Rs.) August September October November December 20,000 15,000 10,000 22,500 30,000 Number of units produced 1,000 750 500 1,250 1,750 If the company expects to produce 1,500 units in the month of January, which of the following would be the variable cost under the high-low method