The owner of a greenhouse and nursery is considering whether to spend $6,000 to acquire the licensing rights to grow a new variety of rosebush, which she could then sell for $6 each. Per-unit variable cost would be $3. How many rosebushes would she have to produce and sell in order to make a profit of $6,000? Multiple Choice 1,000 1,600 4,000 2,400 3,000.