From the provided options below pick the option that is most suitable.

Group of answer choices

a$.$ Per the provided lecture and notes from Week $1$ module in this course, the terms $$Information Systems$$ and $$Information Technology$$ are identical in definition and thus mean the exact same thing.

b$.$ The time it takes different customers to purchase tickets for a Taylor Swift concert from Ticketmaster would be an example of a deterministic process because all customers will take exactly the same time duration to purchase the tickets irrespective of which state $($e$.$g$.$ TN$,$ GA$,$ VA$,$ MD$,$ AL$)$ they live in$.$

c$.$ Presently, services make up a significant portion, accounting for more than $60\%$ of the United States' economic activity.

d$.$ In $2019,$ the manufacturing and service sectors in the USA employed a nearly equal percentage of the labor force.

e$.$ Both choices $$a$$ and $$b$$ are correct.