PRICE = 14.99
SHIPPING_COST = 0.89
ONLINE_CHARGE = 1.50
TAX_RATE = 0.13

def get_number_of_pounds():
    number_of_pounds = int(input("Enter pounds of coffee: \n"))
    return number_of_pounds

def price_of_coffee():
    return round(pounds * PRICE, 2)

def price_of_shipping():
    shipping_charges = round((pounds * SHIPPING_COST) + ONLINE_CHARGE, 2)
    return shipping_charges

def price_of_tax():
    tax = round((subtotal + shipping) * TAX_RATE, 2)
    return tax

def grand_total_price():
    return round(subtotal + shipping + taxprice, 2)

def receipt_of_purchase():
    print('-'*32)
    print(pounds, 'lbs @', PRICE, '/ lb\t\t$', subtotal)
    print('Shipping:\t\t\t\t$', shipping_charges)
    print('Tax:\t\t\t\t\t$', taxprice)
    print('-'*32)
    print('Total:\t\t\t\t\t$', total)
    print('-'*32)

if __name__ == "__main__":
    pounds = get_number_of_pounds()
    subtotal = price_of_coffee()
    shipping = price_of_shipping()
    taxprice = price_of_tax()
    total = grand_total_price()