whta is the answer from 10 to 14 please

10 10) Martin was a professional classical guitar player until a motorcycle accident left him disabled. After long months of therapy, he hired an experienced luthier and started a small shop to make and sell Spanish guitars. The guitars sell for $900, and the fixed monthly operating costs are as follows: Rent and utilities Wages and benefits to luthier Other expenses $800 2000 Martin's accountant told him about contribution margin ratios, and Martin understood clearly that for every dollar of sales, 65% went to cover his fixed costs, and anything above that point was profit. Martin wishes to earn 54000 of operating profit each month. Calculate the number of guitars Martin will need to sell to achieve the target profit. (Round your answer up to the nearest whole guitar.) A) 4 guitars B) 3 guitars C) 12 guitars D) 13 guitars 11) 11) Zeke was a professional classical guitar player until a motorcycle accident let him disabled. After long months of therapy, he hired an experienced luthier and started a small shop to make and sell Spanish guitars. The guitars sell for 5800, and the fixed monthly operating costs are as follows: Rent and utilities Wages and benefits to luthier Other expenses $700 2300 479 Zeke's accountant told him about contribution margin ratios, and Zeke understood clearly that for every dollar of sales, 75% went to cover his fixed costs, and anything above that point was profit. Zeke wishes to earn $5100 of operating profit each month. Calculate the amount of sales revenue required to achieve the target profit. (Round your answer to the nearest dollar.) A) $4639 B) $13,916 C) $34,316 D) $11,439 12) 12) When the sales price per unit decreases, the contribution margin per unit A) Increases B) Increases proportionately C) remains the same D) decreases 13) 13) Which of the following will lower the breakeven point? A) an increase in total fixed costs B) an increase in the sales price per unit C) a decrease in the sales price per unit D) an increase in the variable cost per unit 14 14 Which of the following statements is TRUE If the variable cost per unit increases while the sales price per unit and total fixed costs remain constant? A) The breakeven point increases. B) The breakeven point decreases C) The breakeven point remains the same. D) The contribution margin increases