two months, with the following delivery schedule.

$\backslash$table$[[$Model$,$Month $1,$Month $2],[$Bookshelf$,2,100,1,200],[$Floor$,1,500,2,600]]$

units for month $2,$ FaO$=$ overtime floor units for month $1,$ and FbO$=$ overtime floor units for month $2)$

$(\frac{?}{\text{B}\text{a}\text{R}},BbR,$FaR,$FbR,$BaO,BbO,FaO,FbO$)=(]$

Total Production Cost $=$$