Java Joe coffees wants to find an equation to estimate monthly utility costs. Java Joe's has been in business for one year and has collected the following cost data for utilities 1.which of the...

Java Joe coffees wants to find an equation to estimate monthly utility costs. Java Joe's has been in business for one year and has collected the following cost data for utilities

1.which of the preceding costs is variable? Fixed? Mixed? Explain

2. using the high-low method, determine the cost function for each cost

3. combine the preceding information to get a monthly utility cost function for Java

4. next month, Java's expects to use 2200 kilowatt hours of electricity, make 1500 minutes of telephone calls and use 32000 gallons of water. Estimate total cost of utilities for the month