Required information

$[$The following information applies to the questions displayed below.$]$

The following information relates to a joint production process for three products, with a total joint production cost of

$$135,000.$ There are no separable processing costs for any of the three products.

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

$($just a heads up the answer will get rounded up on the homework and might mark the answer wrong$)$