I Love Spaghetti -- Pasta Cafe

John is the chef of the spaghetti house. To win the upcoming gourmet food contest, John’s dishes must be delicious, popular and his spaghetti house should be profitable. Sadly, the restaurant environment is unpleasant. Only limited dishes are offered. Less customer come to eat. It seems John can hardly win the contest. To boost the popularity of the spaghetti house, John developed more choices of…