The average national utility price is $270.48. Over a 6-month period, what is the average utility price in Dallas? How does this compare with the national average?

Dallas, TX

$400

$350

$300

$250

$200

$150

$100

$50

$0

Apr-09

May-09 Jun-09

Jul-09

Aug-09 Sep-09

Jul-09

Apr-09

$283

May-09

$318

Jun-09

$315

Aug-09

$356

Sep-09

$330

-Dallas, TX

$354

a.

$1,956; higher than the national average

b. $326; higher than the national average

$163; lower than the national average

C.