(Table: Production Function for Soybeans) Use Table: Production Function for Soybeans. Assume that the fixed input, capital, is 10 acres of land and a tractor, which have a combined cost of $150 per day. The cost of labor is $100 per worker per day. The total cost of producing 75 bushels of soybeans is: Table: Production Function for Soybeans Quantity Quantity of of labor (workers) soybeans ( bushels) 60 70 $1,150. $7,650. $650. $1,225