In brainstorming the competencies the firm possesses and to prompt you to look at different areas of the organisation Fowler et al $(2000)$ suggest a typology of competencies. What are the $3$ different types suggested?

a$.$

Market$-$access$-$related competencies

b$.$

Functionality$-$related competencies

c$.$

Technology competencies

d$.$

Marketing competencies

e$.$

Integration$-$related competencies