Firm X has a production process that has a total joint cost of $$20,000.$ At the split$-$off point, there are $2,000$ pounds of Product $1$ and $8,000$ pounds of Product $2.$ What is the cost per pound of Product $1$ using the physical measure method?

Multiple Choice

$$1\mathrm{.}50.$

$$2\mathrm{.}00.$

$$2\mathrm{.}50.$

$$3\mathrm{.}00.$

$$2\mathrm{.}75.$