Acontractor is setting up new accounts for the local cable company. she purchased her own tools for $180 and earns $75 for each customer account she sets up. which equation models this situation, and how much will she profit if she sets up 8 customers? (the variable c represents the number of customers.) a. y = 180c – 75; $1,365 b. y = 180c + 75; $1,515 c. y = 75c – 180; $420 d. y = 75c + 180; $780