Costco installed self$-$checkout stations that can track not only member's purchases but also packaging problems, as the system uses universal product codes to match the item the shopper has in their cart with its price and inventory level in the store, generating a spreadsheet style report for the researcher. If you consider the scanner as the tool for collecting data for Costco's researchers, they are doing data entry by $$

Select one:

a$.$ Spreadsheet

b$.$ Optical Character Recognition

c$.$ Field editing

d$.$ Voice Recognition

e$.$ None of the above