Required information

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The following information relates to a joint production process for three products, with a total joint production cost of $$175,000.$ There are no separable processing costs for any of the three products.

$\backslash$table$[[,$Sales Value at$,$Units at$],[$Product$,$Split$-$off,Split$-$off$],[1,$$$227,500,680],[2,87,500,1,020],[3,35,000,1,700],[,$$$350,000,3,400]]$

What percentage of joint cost is allocated to each of the three products using the physical units method?

$\backslash$table$[[$Product$,\backslash$table$[[$Percent of$],[$Sales Units$]]],[1,,\%$