Help correct the code - Intro Python - Create Purchasing Information and Receipts for Lovely Loveseats

customer_one_tax = 0.088
sales tax =customer_one_total * customer_one_tax

 File "script.py", line 12
    sales tax =customer_one_total * customer_one_tax
            ^
SyntaxError: invalid syntax

here:

sales tax

these are two separate variable at the moment. Why?