Venue has the following gross requirment

week$-1,2,3,4,5,6$

requirment$-60,30,50,90,80,50$

Setup cost of Rs$\mathrm{.}200,$ inventory holding cost of Rs$\mathrm{.}6$ per unit per week. There is no beginning inventory and there are no scheduled receipts. The demand pattern is expected to continue for the remainder of the year. Which is cheaper: lot$-$for lot or fixed order of $60?$