I need help solving this problem

A manager at Strateline Manufacturing must choose between two shipping alternatives: two-day freight and five-day freight. Using five-day freight would cost $200 less than using two-day freight. The primary consideration is holding cost, which is $8 per unit a year. 2,400 items are to be shipped. Which alternative would you recommend? (Do not round your intermediate calculations.) Five-day freight Two-day freight