CODE IN ERLANG

6. Function calculate Bill that takes a list of tuples, where a tuple is of the form name, price, tax_rate, and returns a list of tuples, where each tuple is of the form name, total, where total = price + price * tax_amount add appropriate test cases to the test file 6. Function calculate Bill that takes a list of tuples, where a tuple is of the form name, price, tax_rate, and returns a list of tuples, where each tuple is of the form name, total, where total = price + price * tax_amount add appropriate test cases to the test file