Answer:
The correct answer is option b. 
Step-by-step explanation:
The number of units of output sold is 8,000 . 
The sales revenue is $9,600,000 . 
The variable costs are $6,000,000 . 
The fixed costs are $2,600,000. 
The price of the product
= 

= 

= $1,200
The average variable cost is 
= 

= 

= $750 
Profit = TR - TC
Profit = 

$1,270,000 = $1,200Q - $750Q - $2,600,000
$3,870,000 = $450Q
Q = 

Q = 8,600 units