LIST I | LIST II (Marketing Philosophies) | ||
| A | Availability and affordability of product | I | Marketing Concept |
| B | Product improvement | II | Production Concept |
| C | Selling and promoting | III | Product Concept |
| D | Profit through integrated marketing | IV | Selling Concept |

Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world