Question $4$

$3\mathrm{.}33$

Wes and Steve are considering implementing a bar$-$code$/$scanner system for checking out customers on their lunch trucks. Laser scanning of bar codes $($like universal product codes $($UPC codes$))$ at checkout counters provides which of the following advantages?

I. Increased speed and accuracy at checkout

II$.$ Completely eliminate periodic inventories

III. Improved levels of customer service

IV$.$ Continuous information on inventories

a$)$ I, II$,$ and IV

b$)$ II$,$ III and IV

C$)$ I, II$,$ and III

d$)$ I, III, and IV

e$)$ I, II$,$ III, and IV $($all$)$