$8.$ Develop a lot$-$for$-$lot solution and calculate total relevant costs for the gross requirements in the following

table$*.$

Period $123456789101112$

Gross requirements $2040406030208060$

$*$Holding cost $=$ $$3\mathrm{.}50/$unit$/$week; setup cost $=$ $$150$; lead time $=1$ week; beginning inventory $=40.$

Develop a lot$-$for$-$lot solution $($enter your responses as whole numbers$).$

Period $12345$