19. Shila Nathan, the hospital administrator for a hospital in Chennai, India, has to devise for the coming week a workforce schedule for nurses in the orthopedic department of the hospital. The daily requirements of nurses for the week are given in the following table: Dary Monday Tuesday Wednesday Thursday Friday Saturday Sunday Nurses Required 5 6 5 Help Shila create a workforce schedule that will meet the daily requirements with the minimum of nurses while ensuring that each nurse gets 2 consecutive days off.