Speedy's Scooters plans to sell a standard scooter for $55 and a chrome scooter for $70. Speedy's purchases the standard scooter for $30 and the chrome scooter for $40. Speedy expects to sell one standard scooter for every three chrome scooters. His monthly fixed costs are $23 000.

Required:

a. Calculate how many of each type of scooter Speedy's Scooters must sell each month to break even.

b. How many must they sell to earn $25 300?

full detailed answer please! Also clear writing if ever you will write it on paper please. NEED ANSWER ASAP PLEASE!! Thank you very much