#Discussion
#input:
#price, float
#tax, int
#shipping, float
#ship_limit, float

#if-else to check if the price>=ship_limit
#and qualifies for free shipping or not


#input

price=float(input("enter purchase price "))
tax=int(input("enter tax "))
shipping=float(input("shipping charges "))
ship_limit=float(input("ship limit "))

#calculations and output

if(price>=ship_limit):
	final_price=price+price*tax/100
	print("Qualified for free shipping")
else:
	pre_tax=price+shipping
	final_price=pre_tax+pre_tax*tax/100
	print("must pay shipping of", shipping, "dollars")

print("final price is", format(final_price,'.2f'), "dollars")

#test1: price=49.99 shipping=2.99 ship_limit=29.99 tax=7
#test2: price=49.99 shipping=2.99 ship_limit=50 tax=9