if possible could i please get help with these questions, please, you will be rated. Thank you

QUESTION 11 Sierra's Toys produces two models: Model 24 has sales of 500 units with a contribution margin of 540 each: Model 26 has sales of 350 units with a contribution margin of $50 each. If sales of Model 26 increase by 100 units, how much will profit change? O A $17.500 increase OB. $22,500 increase OC $5,000 increase OD 535,000 increase QUESTION 12 How much sales are required to earn a target net income of $200,000 if total fixed costs are $250,000 and the contribution margin ratio is 40%? O A $1,012,500 B. 5625.000 C 51,125,000 D.$500.000 QUESTION 13 A company requires $1,700,000 in sales to meet its net income target. Its contribution margin is 30%, and fixed costs are $300,000. What is the target net income? O A 5510,000 OB $390,000 C. $210.000 D. $700 000