What makes a school formal organization

A school has the following formal structure:

The school board acts as an agent of wider community. Frankly speaking, the school is a complex web of social interactions with various types of interactions taking place simultaneously, each affecting the whole, and having at least an indirect influence upon the child.

School organizations, just as other organizations, have formally stated goals, criteria for membership, a hierarchy of offices, and a number of informal goals, such as friendship and sharing of interests.

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answer: the net deposit amount   (option c)

in order to fill in the deposit slip, michael needs to fill in the amount that he wants to deposit in the bank. without the net deposit amount, he will not be able to deposit the money because it is mandatory for him to mention it, as the bank needs to maintain a record to avoid any inconveniences for the bank and michael in the future.

the bank officer checks and verifies the amount received against the amount written on the deposit slip to process the slip.  

i think that the answer is 5