Operations management is applicable:
a) mostly to the manufacturing sector.
b) to the manufacturing sector exclusively.
c) to all firms, whether manufacturing or service.
d) mostly to the service sector.
e) to services exclusively.

b) To the manufacturing sector exclusively.

Explanation:

Operations management

It is one of the administration of the business practice , which enable to create very high efficiency within the organisation .

This administration is concerned with converting the labor and the material into services and goods , in order to maximize the profit of the organization .

The operations management team attempt to balance out the cost with the revenue in order to get the highest net operating profit possible .

It is exclusive to the manufacturing sector only .

you had 23.00$ because 28 - 5 = 23 then put it in dollar form

24 years, i believe is the correct answer.