9. A company accountant reported the following for the company: sales $504,000 labor $239,400 Lease $35,280 Supplies $22,680 Salaries $147,000 Other costs $15,960 Total costs $490,560 4 Operating profit: $13,440 The company is considering a new contract. If they accept the new contract a fu increase by 5%; and supplies will increase by 10%. All other costs will remain th offer is accepted. The amount of differential cost if the new contract is accepted