construction project delivary system

Given the followingGiven the following information about two bid items in a unit price contract, determine what would be the final payment to the contractor? Item 1 – Excavation: Estimated Quantity = $10,000 c.y; Actual Measured Quantity = $9,500; Unit Price = $3.00. Item 2 – Backfill: Estimated Quantity = $7,500 c.y; Actual Measured Quantity = $9,000; Unit Price = $4.00.

as per the attachements you will find equations to solve the question, and the answer must be in dollar ( price).