The number of blood tests performed and the related costs over the last nine months in Brentline Hospital are given below:

Month	Blood Tests Performed	Blood Test Costs
January	5,120	$	67,900
February	5,400	$	70,530
March	4,695	$	61,932
April	4,290	$	56,782
May	4,425	$	59,041
June	3,600	$	48,570
July	4,020	$	53,212
August	5,315	$	69,419
September	5,245	$	69,025

Required:

1. Using the highlow method, estimate the cost formula for blood tests. (Round cost per unit answer to 2 decimal places.)

2. Using the cost formula you derived above, what blood test costs would you expect to be incurred during a month in which 4,410 blood tests are performed? (Round your intermediate calculations answer to 2 decimal places.)