A company projects that next year's sales will grow $14\%$ and ROA $($net income divided by the previous year's total assets$)$ is constant at $6\%,$ but long$-$ term debt and equity do not change with sales automatically $($ except for the new retained earnings$).$ The current year's total assets and accounts payable are $ $3000$ and $ $800.$ Accounts payable usually grow at the same rate as sales. The company's plowback ratio is always $80\%.$ Assuming that total assets must grow at the same speed as sales $,$ what is next year's external financing need $($round to the closest whole number and the answer could be negative$)?$ W