Your brother operates a small testing business. He wants to purchase a mini-wind tunnel for calibrating vane or hotwire anemometers to complete a contract with a local aircraft parts manufacturer. The cost was $3,400 in 2010 when the relevant equipment index was 1457.4. Now the index value is 1820.6. Help him estimate the cost of a tunnel twice as large. The cost-capacity equation exponent is 0.79. The cost of the tunnel is

answer; communities of interest; i believe this is correct, plz check first good luck;

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