Organizations can obtain software using one of three basic approaches: subscribe, buy, or build.

software is less risky and leads to quicker deployment; however, maintenance and support costs may become expensive.

a$.$ Custom

b$.$ Enterprise

c$.$ Off$-$the$-$shelf

d$.$ Personal productivity

software can provide a better match to the current work processes of the organization and may provide a potential competitive advantage; however, so can be extremely costly$,$ and it can take months or even years to complete.

a$.$ Custom

b$.$ Enterprise

c$.$ Off$-$the$-$shelf

d$.$ Personal productivity