given the following information, determine the equation for the unit formulation. (round intermediate calculations to 4 decimal places) [table description: Table listing unit number (x) and unit cost ($Y). Unit 1= $1200, unite 2 = $975, unit 3= $863.48, unit 4= $792.19

[table description: Table Listing Unit number X and Unit cost ($Y). Unit 1 = $1200, Unit 2= $975 Unit 3= $863.48, unit 4= $792.19]