2. The management of Lambda Corporation has received the following forecast for the next year. Sales revenue $600 000 Fixed cost $275 000 Variable cost 270 000 Total cost 545 000 Net income $ 55 000 Capacity is a sales volume of $800 000. a. Compute i. the contribution margin; ii. the contribution rate. b. Compute the break-even point i. in dollars; ii. as a percent of capacity. c. Determine the break-even volume in dollars if fixed cost is increased by $40 000, while variable cost is held to 40% of sales