I need help with part 10 and 11 of this question

QUESTION 8 S&P Supply sells only two products, Product S and Product P Product S $25 $20 Product P $50 $30 Selling price per unit Variable cost per unit $270,000 The tax rate is 20%. What is the firm's breakeven sales in dollars, assuming it sells one unit of Product S for every two units of Product P? QUESTION 9 Suppose the firm generated the amount of salos in dollars neoded to break even assuming a sales mix of 1 unit of Product S for every two units of Product P. If the firm's actual sales mix was 1 unit of Product S for every throe units of Product P, total profits would be: O POSITIVE NEGATIVE ZERO NOT ENOUGH INFORMATION QUESTION 10 The firm is considering an advertising campaign to increaso salos of Product P at a cost of $80,000. What is the minimum number of adcitional sales in units the campaign would need to genorato in ordor to not decrease the firm's profits? QUESTION 11 If the firms actual pro-tax profits were $90,000 with a sales mik of 1 unit of Product S for every two units of Product P, what was total revenue from Product P