Remaining Time: 59 minutes, 16 seconds. Question Completion Status: QUESTION 2 Observation of the four previous months has identified the following total cost data for production costs within Danny Dog plc. Activity level Total cost 10,000 17,500 40,000 55,000 60,000 80,000 30.000 42,500 Based on the hi-lo method of cost estimation, what is the variable cost per unit of production? a 1.50 b. 1.40 OC. 1.25 d. 1.70