A business needs 80 cabinets, 250 tables, and 300 shelves cleaned out. He has two part-time employees Patrick and Andrew. Patrick can clean eleven cabinet, thirty one tables and forty selves in one day, while Andrew can clean ten cabinet, thirteen tables, and sixty two shelves in one day. Patrick is paid P628 per day and Andrew is paid P508 per day. In order to minimize the cost, how many days should Patrick and Andrew be employed?