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	5,965	$	37,715
February	7,900	$	47,360
March	5,415	$	33,950
April	4,945	$	31,225
May	5,105	$	32,621
June	4,200	$	27,380
July	4,615	$	29,093
August	5,515	$	34,247
September	5,955	$	37,403

Required:

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

Y = ... + ... X

2. Using the cost formula you derived above, what blood test costs would you expect to be incurred during a month in which 5,300 blood tests are performed? (Round your intermediate calculations answer to 2 decimal places.)

Variable cost:

Fixed cost:

Total cost: