I need help with these questions.

Question 4 (1 point) The contribution margin on Mimi's Banana Nut muffin is $3.79 each, while the contribution margin on its proposed new Savory Stuffed muffin is $4.15 each. Weighted contribution margin for the new muffin is $2.01 per unit. If Mimi's introduces the new muffn and sells 40,454 units of it, calculate the total change in contribution margin across both products together. (Rounding: dollar.) Your Answer: Answer Question 5 (1 point) Mimi's is developing a Fiery Habanero muffin, which will NOT compete with anything Mimi's currently offers. Unit contribution margin for the new Fiery Habanero muffin would be $3.83. Contribution margin for the company's Banana Nut muffin is $3.25 per unit. Mimi's expects to sell 45.000 units of the new muffin. if it is introduced. Compute weighted contribution margin for the new muffin. (Rounding: penny.)