Given the following information, determine the equation for the unit formulation.
(Round intermediate calculations to 4 decimal places)
[Image Description: Table listing Unit Number (X) and Unit Cost ($Y). Unit
1 = $900, Unit 2 = $780, Unit 3 =$717.37, Unit 4=$676.00]
X Y
1 900
2 780
3 717.37
4 676.00
Y = (900)(X) -0.1521
Y = (900)(X) 0.9000
Y = (900)(X) 0.6931
Y = (900)(X) -0.2065