mpany's managers. D Question 30 2 pts Jenny was reviewing the water bill for her doggy day spa and determined that her highest bill, $1,700, occurred in July when she washed 800 dogs and her lowest bill, $900, occurred in November when she washed 400 dogs. What was the variable cost per dog associated with Jenny's water bill? O $1.00 O $2.00 O $0.50 O $0.67