NAPA Auto Parts is an international auto supply depot. It sells just a select few trusted brands but keeps a large inventory of each brand it does sell. Its advertising is very technical in nature and is typically aimed at those who own or work in auto garages. It tends to promote the size, width, weight, and speed of its tools. Which individual buying influence is NAPA subtly appealing to$?$

a$.$ Gender

b$.$ Personality or lifestyle

c$.$ Age

d$.$ Family life$-$cycle stage