Sabrina is contemplating a job switch. She is thinking of leaving her

Tough and Tricky questions: Word Problems.

Sabrina is contemplating a job switch. She is thinking of leaving her job paying $85,000 per year to accept a sales job paying $45,000 per year plus 15 percent commission for each sale made. If each of her sales is for $1,500, what is the least number of sales she must make per year if she is not to lose money because of the job change?

A) 57
B) 177
C) 178
D) 377
E) 378

Kudos for a correct solution.

Source: Chili Hot GMAT