Jerome works for Complus, a Montreal$-$based point$-$of$-$sale system. It is a competitor in the wireless retail industry. Many of its clients also sell computers, as well as Apple and Android system products. Jerome starts considering the benefits of expanding the company's sales vertically to cover those type of retail stores as well. What is Jerome doing?

a$.$ Selecting a market for study

b$.$ Profiling and analyzing segments

c$.$ Selecting the target market

d$.$ Selecting segmentation descriptors