Please help and with an explanation.

Develop a lot-for-lot solution and calculate total relevant costs for the gross requirements in the following table'. a Period 123456789101112 Gross requirements 20 30 30 60 30 20 70 50 *Holding cost = $1.501unitlweek; setup oost = $200; lead time = 1 week; beginning inventory =40. Develop a lot-for-lot solution (enter your responses as whole numbers). Period 1 2 3 4 5 B 7 l3 9 1O 11 12 Gross requirements 20 30 30 60 30 20 70 50 Onhand at beginning of period 40 Onhand at end of period Order receipt Order release