Which of these business owners might see more competition as a negative? Select all that apply.
a) Keiko runs her business in a "green" and labor-friendly way and has found that these practices benefit her company.
b) Anna runs a service business in a very competitive area; two large conglomerates, however, have driven most small owners like her out of business.
c) Ben runs a high-tech startup and feels his product is unique.
d) Miguel runs a produce business that is the exclusive provider in his area.