Solving simple formal language problem in computer science

Job ID: 32348097

Budget: $50 – $60 USD

Looking for an experienced computer science person to solve formal language problems in the photo attached very fast. The candidate must have good knowledge of formal language and grammar.
What problems does the job have:
1. Put grammar into GNF(Greibach normal form)
2. Finding the language of the grammar and design DPDA for the language
3. Removing left recursions in the grammar Knuth's fice standard types

It takes about two hours.