Answer: Option (a) is correct.
Explanation:
Income elasticity of demand measures the responsiveness of quantity demanded with change in the income level of an individual.

Income of an individual has a positive relationship with the demand for normal goods and has a negative relationship with the demand for inferior goods.
Answer:
The solution to this issue can be defined as follows:
Explanation:
Please find the complete question in the attachment file.
Direct Substances 9
Direct jobs 5
Overhead output variable 5
Overhead of fixed production 
The Unit cost of the item at absorption cost per year
Answer:
Explanation:
1.Price: check if our price is still within the range of what our customers can afford or budget for.
2.Promotion: Does our customers or potential customers still view our advertisements.
3.Product: is our product still relevant and up to date when it comes to services and software.
4.Customers: Talk about our target audience, is there any change?
5.Competition: what are our competitors doing, why do customers prefer them to us
Answer
A detailed statement of receipts and expenditure for a period of time in the future is called a Budget
Explanation
An estimate of revenue and expenses over a particular future period of time is referred as the budget. A budget can be made for a family, for an individual or a business entity. In companies, budget is utilized as an internal tool of management.