Presented below are the production data for the first six months of the year for the mixed costs incurred by Venus Company. Month Cost Units January $5,280 4,100 February $4,620 3,300 March $6,830 5,510 April $11,160 9,300 May $5,900 5,000 June $7,390 6,630 Venus Company uses the high-low method to analyze mixed costs. What is the estimated total cost at an operating level of 6,700 units? $8,326 $7,303 $8,040 O $9,380