#Quiz 3 prep 2

#discussion:
#pound- int, tax- int, tax_ind - int, price-float

#assume input valid, all values are positive and tax_ind is 1 or 0


#Input

pound=int(input("enter number of pounds "))
tax=int(input("enter tax "))
tax_ind=int(input("tax indicator "))
price=float(input("price per pound "))


if(pound>=11):
	disc=20
elif(pound>=6):
	disc=10
else:
	disc=0

#alternative
#if(pound>=0 and pound<=5):
#	disc=0
#elif(pound>=6 and pound<=10):
#	disc=10
#else:
#	disc=20

pre_tax_disc=pound*price
pre_tax=pre_tax_disc - pre_tax_disc*disc/100

if(tax_ind==1):
	total=pre_tax+pre_tax*tax/100
else:
	total=pre_tax	
	
print("Total is", format(total,'.2f'), "dollar")