Week $12345678910$

Gross requirements $70606090408080307040$

The table above shows the gross requirements of a product. You are also given the following information: Holding cost $=$ $$4/$week; Ordering$($Setup$)$ cost $=$ $$90$; Lead time $=1$ week; SS$=0$; Beginning on hand inventory$=280.$ Calculate the total cost that includes the ordering cost and the holding cost when you use the L$4$L lot sizing rule?