$3.$ DSP owner Liz has a weekly commitment of $140$ routes, at a rate of $$260$ per route. She has a team of $30$ employees that average $4\mathrm{.}07$ working days a week. With her current team, she is only able to support $122$ total routes. With this data, what is Liz's potential lost revenue for all the routes she is unable to complete this week? $($This is an example and not actual route or income for the DSP program.$)$