A seed store mixes three different types of bird seed in their wild bird seed mix. The mix consists of 9 kg of seed priced at $2.39/kg, 5 kg of seed priced at $1.98/kg, and 6 kg of seed priced at $3.19/kg. At what price should it sell the mix to realize the same revenue earned by selling the seed separately?

A. $2.66

B $6.33

C. $16.85

D. $2.53