High-Low - Review Floral Designs is a florist shop that provides delivery service within a 10-mile radius of the shop. The owner is planning business operations for the coming year. The following information relates to the number of miles driven on deliveries and maintenance costs for the delivery van for the past year. Month January February March April May June July August September October November December Miles Driven 112 705 135 187 600 375 225 262 120 105 300 525 Maintenance Cost $129 $714 $137 $191 $650 $380 $227 $269 $121 $126 $345 $570 ro sooo Is the maintenance cost a variable cost, a fixed cost, or a mixed cost? Why? Using the high/low cost estimation method, determine the variable cost per mile. Using the high/low cost estimation method, determine the total fixed cost per unit. What is the cost estimation equation? Estimate the monthly maintenance cost of the delivery van if Floral Designs expects to drive 500 miles per month. Estimate the monthly maintenance cost of the delivery van if 800 miles are driven per month