# Challenge 53 - Reusable Tax Calculator
# A hypothetical 20% practice tax rate.
def total_with_tax(net, rate=0.20):
    return round(net * (1 + rate), 2)

print(f"Item A: £{total_with_tax(50):.2f}")
print(f"Item B: £{total_with_tax(12.50):.2f}")