${?}_5^{60}$ Suppose Ralph own a chicken processing plant with the total

What is Ralph's fixed cost?

Ralph's fixed cost: $ $$

$\backslash$table$[[\backslash$table$[[$Quantity of$],[$Chickens$]],$Total Cost $($$$)],[0,800],[1,000,1,000],[2,000,1,200],[3,000,1,400],[4,000,1,500],[5,000,1,600],[6,000,1,800],[7,000,2,000],[8,000,2,400]]$