Danny runs a small business of IT services including repairing computers setting up networks running weekly data backup and network security checks etc.

danny's business charges clients $120, and $65 is spent on cash client per hour he hires a student as an assistant and pays him $15 per hour

a. how many clients do Danny's business serve per month to maintain a breakeven

b. if Danny plans to make a profit of $500 per month how many clients does his business

c. Due to decrease of business Danny cannot keep the student and all work is done by himself starting from this month how many client must Danny serve to maintain a breakeven