Camilla is a salesperson. She sold a model railroad set for $441.10 and earned 10% commission. How much commission did Camilla earn? I will give thanks, brainiest, etc for right answer!

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)