Please make your solution organize and clear

Newsvendor Phyllis Pauley sells newspapers at the corner of Kirkwood Avenue and Indiana Street, and each day she must determine how many newspapers to order. Phyllis pays the company 20c for each paper and sells the paper for 25C each. Newspapers that are unsold at the end of the day are worthless. Phyllis must decide how many papers she must order each day. Use the maximin, maximax, and minimax regret decision criteria. 3