PYTHON $7\mathrm{.}11$ LAB: Print Receipt

Write a program that reads floats until $-1$ is entered. The float values represent the cost of items at checkout. Print the subtotal, tax $(4\%),$

and total. Labels are printed left$-$justified within a field of size $12.$ Amounts are printed right$-$justified within a field of size $8$ and $2$ decimal

places.

Ex: If the input is:

$4545-1$

the output is: