Garfield Company manufactures a popular brand of dog repellant known as DogGone It, which it sells in gallon-size bottles with a spray attachment. The majority of Garfields business comes from orders placed by homeowners who are trying to keep neighborhood dogs out of their yards. Garfields operating information for the first six months of the year follows:

Month	Number of Bottles Sold	Operating Cost
January	1,000	$	10,500
February	1,400		15,740
March	1,750		15,800
April	2,400		19,675
May	3,480		27,245
June	3,625		34,755

Required: 3. Using the high-low method, calculate Garfields total fixed operating costs and variable operating cost per bottle. (Do not round your intermediate calculations. Round your variable cost per unit answer to 2 decimal places and fixed cost answer to the nearest whole number.)

4. Perform a least-squares regression analysis on Garfields data. (Use Microsoft Excel or a statistical package to find the coefficients using least-squares regression. Round your answers to 3 decimal places.)

5. Determine how well this regression analysis explains the data. (Round you regression statistics to three decimal places and your percentage answer to the nearest whole number.)

6. Using the regression output, create a linear cost equation (y = a + bx) for estimating Garfields operating costs. (Round your answers to 3 decimal places.)