A group of venture investors is considering putting money into Lemma books, which want to produce a new reader for electronic books. the variable cost per unit is estimated at $250, the sales price would be set at twice the VC/unit, or $500, and fixed costs are estimated at $350,000. The investors will put up the funds if the project is likely to have an operating income of $500,000 or more. What sales volume would be required in order to meet the minimum profit goal? a) 3,706 b) 3,400 c) 2,958 d) 3,094 e) 4,216