Food Town order

Food Town wishes to determine an optimal order policy for Marino brand pasta. The store sells an average of 320 one-pound packages per week. The cost of placing an order is $30, and the annual holding cost rate is estimated to be 14%. The pasta costs the store $.60 per package. Lead time is estimated to be one week, and the store desires a safety stock of 1 0 0 packages.
a. How many packages of pasta should Food Town order?
b. At what inventory level should the order be placed?