The correct answer is: D. None of these
Managerial accounting is a type of accounting that is used by managers to make decisions about how to run a business. It is not mandatory, but it is very useful for businesses of all sizes. Managerial accounting can help businesses to improve their efficiency, profitability, and competitiveness.
Option A is incorrect because managerial accounting is not mandatory. Businesses are not required to keep managerial accounting records, but many businesses find them to be very helpful.
Option B is incorrect because managerial accounting is not optional. Businesses that want to be successful need to make informed decisions about how to run their businesses. Managerial accounting can help businesses to make better decisions.
Option C is incorrect because managerial accounting is not related to mortgages. Mortgages are loans that are used to purchase real estate. Managerial accounting is a type of accounting that is used by managers to make decisions about how to run a business.
I hope this helps!