Profit π = TR-TC
=(Total Revenue - Total Cost)
******do the next step below********
= TR-TVC-TFC
=(Total Revenue-Total Variable Cost -Total Fixed Cost)
******do the next step below********
=(P x Q) - (AVC x Q) - TFC
=(Price x Quantity) - (Average Variable Cost x Quantity)- Total Financial Cost
To obtain break-even point with this same problem, total revenue is set equal to total cost
if you need to have the problem worked out look for my article on how to find break-even point