Step 1: Overview:
E. Jerome McCarthy classified the elements that a firm blends to satisfy its target market into four broad categories, popularly called the '4 Ps' of the marketing mix: Product, Price, Place, and Promotion.
Step 2: Product:
Refers to the goods or service offered to satisfy customer needs — includes decisions on quality, features, design, branding, packaging, and labelling.
Step 3: Price:
The amount of money customers must pay to acquire the product — pricing decisions consider production cost, competition, and customers' perceived value.
Step 4: Place (Distribution):
The activities that make the product available to the target customer at the right place and time — covers channels of distribution, transportation, warehousing, and inventory.
Step 5: Promotion:
Activities that communicate the merits of the product and persuade target customers to buy it — includes advertising, personal selling, sales promotion, and publicity.
Step 6: Significance:
These four elements are interdependent and must be blended together (hence 'marketing mix') to match the needs of the chosen target market as effectively as possible.
Final Answer:
McCarthy's 4P model organises the marketing mix into Product, Price, Place, and Promotion — the four controllable elements a firm blends to reach and satisfy its target customers.