Campground Inc. is considering the production and sale of propane lamps. Annual fixed costs associated with the project are expected to total $60,000. In addition, each lamp would sell for $12 and would require $7 in variable costs. Calculate
(a) The breakeven point in units,
(b) The breakeven point in dollars,
(c) The number of lamps that must be sold to earn a profit of $120,000, and
(d) The operating income or loss at a sales volume of 16,000 lamps