In the Portfolio Matrix,characteristics of Goods and Services in the Bottleneck

Multiple Choice

In the portfolio matrix,characteristics of goods and services in the bottleneck quadrant are:

A) item substitution and switching are difficult,but many available suppliers can meet the technical or capacity needs.
B) item substitution and supplier switching are possible,and several sources of supply are readily available.
C) item substitution and supplier switching are difficult because few suppliers are available with the capability to meet the unique specification requirements.
D) substitution is possible,but switching suppliers is difficult even though many suppliers are available.
E) substitution and supplier switching are relatively easy,but few suppliers have the technical expertise.