For Years Many People Perceived It as Difficult to Tape

Multiple Choice

For years many people perceived it as difficult to tape programs on video cassette recorders (VCRs) .They could not master the multiple programming steps.As a result,makers of VCRs streamlined the system.To tape a show,all the user needed was a program number available in TV Guide.Makers of VCRs realized that which product characteristic was slowing sales?

A) complexity
B) trialability
C) compatibility
D) relative advantage