The goods$-$services continuum consists of which set of the following categories?

Multiple Choice

No goods, some goods, even mix, some service, no service

Self$-$service, help desk service, face$-$to$-$face service, service$-$with$-$a$-$smile

No service, some service, good service, excellent service

Mixed good$,$ some services, retail sales, management

Pure goods, core goods, core services, pure services