Right now is August $1,2020.$ You would like to construct an aggregate production plan for product P$1$X$27$ for the next four quarters of $2021.$ Cost of regular production $=655/$u Cost of overtime production $=975/$u Inventory holding cost $5\backslash$$$/$u$/$atr Cost of increasing regular production $=80\backslash$$$/$u Cost of decreasing regular production $=90\backslash$$$/$u The regular production in Quarter $4$ of $2020=926$u The inventory at the beginning of Quarter $1$ of $2021$ is estimated to be $69$ u The forecasted demand for the four quarters of $2021$ are: $1,215,1,363,1,191,$ and $945$ units. You want to use the chase production strategy without overtime production and keep inventory as low as possible Stackouts $($shortages $)$ are not allowed $.$ You must perform the calculation and answer the questions shown below $.$ NOTE: Do not use any comma in your answers $.$ dollars $.$ The total cost of decreasing regular production is