$[20$ points$]$ A firm has decided $to$ manufacture biodegradable golf tees. These are two production processes available for consideration. Pertinent data foreach process are $as$ follows:

$\begin{array}{cc}?& \text{P}\text{r}\text{o}\text{c}\text{e}\text{s}\text{s}A\\ \text{P}\text{r}\text{o}\text{c}\text{e}\text{s}\text{s}B& ?\\ ?& \text{I}\text{n}\text{v}\text{e}\text{s}\text{t}\text{m}\text{e}\text{n}\text{t}\\ \text{\$}22& 000\\ \text{\$}15& 000\\ \text{O}\text{p}\text{e}\text{r}\text{a}\text{t}\text{i}\text{o}\text{n}\text{a}\text{n}\text{d}\text{m}\text{a}\text{i}\text{n}\text{t}\text{e}\text{n}\text{a}\text{n}\text{c}\text{e}costs& \text{\$}15\\ \frac{000}{y}\text{e}\text{a}\text{r}& \text{\$}13\\ \frac{000}{y}\text{e}\text{a}\text{r}& \text{M}\text{a}\text{t}\text{e}\text{r}\text{i}\text{a}\text{l}\text{a}\text{n}\text{d}\text{d}\text{i}\text{r}\text{e}\text{c}\text{t}\text{l}\text{a}\text{b}\text{o}\text{r}costs\\ \frac{0\mathrm{.}15}{g}\text{o}\text{l}\text{f}\text{t}\text{e}\text{e}& \frac{0\mathrm{.}20}{g}\text{o}\text{l}\text{f}\text{t}\text{e}\text{e}\\ ?& ?\\ \text{S}\text{a}\text{l}\text{v}\text{a}\text{g}\text{e}\text{v}\text{a}\text{l}\text{u}\text{e}& \text{\$}2\\ 000& \text{\$}2\\ 000& \text{U}\text{s}\text{e}\text{f}\text{u}\text{l}\text{l}\text{i}\text{f}\text{e}\\ 10\text{y}\text{e}\text{a}\text{r}\text{s}& 8\text{y}\text{e}\text{a}\text{r}\text{s}\\ ?& ?\end{array}$

Assuming material and direct labor costs are the only variable costs and the MARR $=15\%$ per year, over what range $of$ annual production volume $is$ Process A preferred? Assume repeatability.