Question: Modify and extend the following context-free grammar to include operations %, (-), ^, and ( ). Write a yacc file to implement an integer calculator

Modify and extend the following context-free grammar to include operations %, (-), ^, and ( ). Write a yacc file to implement an integer calculator that performs all these operations. Here are some grammar rules. command expr expr expr + term | term term term * term2 | term2 term2 factor factor ( expr ) | NUMBER

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