Reliable Motors

is a small car dealership $.$ On average, it sells a car for Rs$.$

$2,70,000,$ which it purchases from the manufacturer for Rs$.2,30,000$ Each

month, Reliable Motors pays Rs$.4,82,000$ in rent and utilities and Rs$.6,80,000$

for salespeople$$s salaries $.$ In addition to their salaries, salespeople are paid a

commission of Rs$.6,000$ for each car they sell. Reliable Motors also spends

Rs$.1,30,000$ each month for local advertisements $.$ Its tax rate is $40\%.$

Q$1.$

How many cars must Reliable Motors sell each month to break even