Problem #9 the f our The phone bill for Laurel Accounting consists of both fixed and variable costs. Refer to month data below and apply the high-low method to answer the questions below. calculation to two decimal places.) r the questions below. (Round your Minutes Total Bill 480 $3.000 240 $2.675 May une uly160 $2,640 ugust 320 $2,880 a) What is the variable cost per minute? (2.5 Points) b) What is variable cost in total? (2.5 Points) c) What is the fixed cost? (2.5 Points) Problem #10 Neptune Company sold 4,000 units in November at a price of $35 per unit. The variable cost is S22 per unit. The monthly fixed costs are $10,000. What is the operating income earned in November? Use the Contribution Statement format. (5 Points)