4.Please solve this question as early as possible.

4) Data concerning Shanta Corporation's single product appear below: Per Unit Percent of Sales Selling price.... $220 100% Variable expenses ... 66 30% Contribution margin........ $ 154 70% Fixed expenses are $1,024,000 per month. The company is currently selling 8,000 units per month. Required: Management is considering using a new component that would decrease the unit variable cost by $6. But for the new component the marketing manager predicts that monthly sales would decrease by 300 units. That also decrease the monthly advertising cost of $22,000. Should the proposal be accepted? Show your work! (5 marks) 5. Covid 19 has caused an economic meltdown globally. Suppose, you are an owner of a popular export oriented readymade garments company in Bangladesh. How would your business have impacted due to the Corona outbreak? Answer the question based on your knowledge of product cost, period cost and CVP analysis ONLY. (5 marks) 6. What will be the impact on a company's profit if sales mix shifts between low margin and high margin products? Explain different possible scenarios