Blackstone manufactures wrist watches. The selling price for each watch is $260. Fixed costs are currently $520.000. The current variable cost per unit is $100 Inflationary pressures have increased fixed costs to $620,000 and the variable cost per unit has increased by 10% What is the new cost volume-profit model/equation for the wrist watches?

a. $260X-S110X-$620,000
b. PFT$260X-($110X-$620,000)
c. PFT $260X-$1000-$520,000
d. PFT $260X-5110X-$620,000