If neither restaurant cleans, each will earn 10000, alternately, if they both hire workers to clean, each will only earn 7000. However if one cleans and the other doesn't, more customers will choose the cleaner restaurant; the cleaner restaurant will make only 15000, and the other restaurant will make only 3000

If neither restaurant cleans, each will earn $10,000; alternatjyely, if they both hire workers to clean, each will earn only $7,000. However, if one cleans and the other doesn't, more customers will choose the cleaner restaurant; the cleaner restaurant will make $15,000, and the other restaurant will make only $3,000