Use the following problem statement to answer questions $4-5.$

The HIJ manufacturing firm produces two products. Each product must undergo an assembly process and a finishing process. It is then transferred to the warehouse, which has space for only a limited number of items. The firm has $80$ hours available for assembly and $90$ hours for finishing, and it can store a minimum of $20$ units in the warehouse. Each unit of product $1$ has a profit of $$40$ and requires $4$ hours to assemble and $5$ hours to finish. Each unit of product $2$ has a profit of $$30$ and requires $10$ hours to assemble and $8$ hours to finish. The firm wants to determine the quantity of each product to produce to maximize profit. $[$Note: $x1=$ number of Product $1.2=$ number of Product $2.]$

Which of the following objective functions is correct?

MaxZ$=401+302$

MinZ$401+302$