$\backslash$table$[[$Month$,1,2,3,4],[$Demand$,150,130,190,160]]$

Assuming capacity of $150$ units per month entering month $1,$ what is the anticipated cost of a pure chase strategy for this planning horizon given the following resource information $($show all steps and calculations$)?$

$\backslash$table$[[$Unit production time,$5$ hours per unit$],[$Regular pay rate,$$12$ per hour$],[$Cost of increasing monthly production rate,$$100$ per unit$],[$Cost of decreasing monthly production rate,$$200$ per unit$]]$