Hyperion, Inc. currently sells its latest high$-$speed colour printer, the Hyper $500,$ for $$363.$ It plans to lower the price to $$311$ next year. Its cost of goods sold for the Hyper $500$ is $$207$ per unit, and this year's sales are expected to be $16,000$ units.

a$.$ Suppose that, if Hyperion drops the price to $$311$ immediately, it can increase this year's sales by $23\%$ to $19,680$ units. What would be the incremental impact on this year's EBIT of such a price drop?... The Change In EBIT will be: b$.$ Suppose that, for each printer sold, Hyperion expects additional sales of $$67$ per year on ink cartridges for the three years, and Hyperion has a gross profit margin of $73\%$ on ink cartridges. What is the incremental impact on EBIT for the next three years of a price drop this year?