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The subject is UNIX

Write a script that performs the following actions;

1. Define the following two variables with the provided values; variable lab with value lab? variable labs with value lab*
2. Display the value of lab and labs
3. Define a variable named price with a value of 84.5
4. Define a variable named sentence and use the pricevariable to set its value to "The price of the book is $84.5"