Homemade diet evaluation

You are looking at a recipe for a homemade dog food found on Allrecipes. While the idea of making your dog's food from scratch is appealing, you are concerned about whether this food has appropriate levels of protein and calcium.

Your dog is a $3$ year old, $35$ lb mixed breed dog who is relatively inactive and in good health.

See dog food recipe, Energy requirements table, AAFCO article, and ingredient labels for these problems.

$1.$ Animal requirements:

a$.$ How much protein $($CP$)$ does he need per day $($what are the units$)?$