please help me undertsnd this question. exaplain it like you are teaching it to a first grader. where you're getting every number and how to get it if its not given. The answer is 100 (if this is not ur answer please try again) the chart in the first picture was cut off, so I added another screenshot to fill in the missing columns

The table provides the aggregate plan of It is known that the firm uses a chase plan. The firm's labor cost is $14 /un hiring cost is $350 per unit of increase, and unit firing cost is $500 per unit of decrease in production. Given this information, what is the number in the cell with the question mark? (If needed, round your final answer to nearest whole number. \begin{tabular}{lcccc} \hline t & Prod. & Labor & Hiring & Firing \\ ment\# rate\# & cost\# & cost & cost \\ & 1,000 & & & \\ 00 & 1,700 & 23,800 & 245,000 & 0 \\ 00 & 2,000 & 28,000 & 105,000 & 0 \\ 0 & 470 & 6,580 & 0 & 765,000 \\ 0 & ? & 1,400 & 0 & 185,000 \\ 00 & 1,500 & 21,000 & 490,000 & 0 \\ \hline \end{tabular}