1a is 60 and 1b is $8.50 answer question 2 based off these amlints please

Your best friend, Mario, makes the most awesome pizza in town! He's decided to open a pizza shop and needs some advice. He expects his pizzas to cost about $4 to make and he plans to sell them for $10 apiece. He's going to rent a small space for cooking, which will cost him $200 per month. He also plans to spend $60 per month on advertising. Utilities for his space are expected to be $100 per month. a. How many pizzas must he sell each month to break even under these conditions? b. If he is confident that he can sell 80 pizza per month, how much must he charge for each pizza to break even? 2. a. Using the information in (1a), above, how many pizzas must he sell to make 8% net income on his sales revenue? b. Using the information in (1b), above, how much must he charge per pizza to make 8% net income on his sales revenue