The Astro World amusement park has the opportunity to expand its size now $($the end of year $0)$ by purchasing adjacent property for $$275,000$ and adding attractions at a cost of

$$575,000.$ This expansion is expected to increase attendance by $30$ percent over projected attendance without expansion. The price of admission is $$30,$ with a $$5$ increase

planned for the beginning of year $3.$ Additional operating costs are expected to be $$100,000$ per year. Estimated attendance for the next five years, without expansion, is

as follows:

a$.$ What are the pretax combined cash flows for years $0$ through $5$ that are attributable to the park's expansion?

The cash flows attributable to the park's expansion in year $0$ are $dots. $($Enter your response as an integer.$)$