The Burlington Emergency Veterinary Laboratory performs a variety of diagnostic test on commercial and domestic animals. The lab has incurred the following costs over the past year.

Month	Tests Completed	Cost
Jan	3,100	$ 50,200
Feb	4,500	$ 74,500
Mar	7,100	$ 99,000
Apr	6,200	$ 95,600
May	4,700	$ 74,800
Jun	5,900	$ 89,000
Jul	6,000	$ 91,000
Aug	6,150	$ 90,000
Sep	5,300	$ 87,000
Oct	4,900	$ 76,200
Nov	4,800	$ 78,100
Dec	5,050	$ 80,700

Using the above information, run a simple regression output and determine the following :

a. The cost equation to determine monthly lab testing costs.

b. The standard error amount.

c. The total lab testing costs for 5,700 tests (show your calculations).

d. How reliable is this information? What information did you use to support your answer?