Petal Providers Corporation, described in Problem $1,$ is interested in estimating its sustainable sales growth rate. Last year revenues were $$1$ million, the net profit was $$50,000,$ the investment in assets was $$750,000,$ payables and accruals were $$100,000,$ and equity at the end of the year was $$450,000($i$.$e$.,$ beginning of year equity of $$400,000$ plus retained profits of $$50,000).$ The venture did not pay out any dividends and does not expect to pay dividends for the foreseeable future.

Estimate the sustainable sales growth rate for Petal Providers based on the information provided in this problem. Enter the percentage $($to the tenths place, so you do include decimal$),$ including the $\%$ symbol in the Answer $1$ box below. $[$Example: $13\mathrm{.}6\%]$