A food processor considering snack$-$food opportunities identified three possible market segments and gave them "nicknames": the dieters, health faddists, and nutrition$-$conscious parents. It developed a marketing mix around a line of good tasting, nutritious children's snacks. The firm is apparently

relying on cluster analysis techniques.

using a multiple target market approach.

using a single target market approach.

using a combined target market approach.

ignoring the criteria that good market segments should be operational.