#Lab 8 Problem 2
def gross_margin(revenue, cost):
	result=100*((revenue-cost)/revenue)
	return result
def main():
	revenue1=float(input("enter revenue for company 1 "))
	revenue2=float(input("enter revenue for company 2 "))
	cost1=float(input("enter cost_of_goods sold for company 1 "))
	cost2=float(input("enter cost_of_goods sold for company 2 "))
	name1=input("enter name for company 1 ")
	name2=input("enter name for company 2 ")
	gross_margin1=gross_margin(revenue1, cost1)
	gross_margin2=gross_margin(revenue2, cost2)
	print("gross margin for", name1, "is", gross_margin1, "percent")
	print("gross margin for", name2, "is", gross_margin2, "percent")
	if(gross_margin1>gross_margin2):
		print(name1, "higher")
	elif(gross_margin1<gross_margin2):
		print(name2, "higher")
	else:
		print("the same")
main()