Which statement about Callie's marketing approach is most accurate?

Multiple Choice

Callie is basing her marketing approach on a variation of the mass marketing strategy.

Callie's marketing strategy appears to be consistent with several key aspects of relationship marketing.

Many recent studies suggest that Callie will be unable to earn a reasonable profit because she is serving too small a segment of the market rather than the entire market.

$$ Callie's marketing efforts put too much emphasis on retaining existing customers and not enough on obtaining new customers