Required information

Consider a circular grill whose diameter is $0\mathrm{.}3$ m $.$ The bottom of the grill is covered with hot coal bricks at $952$ K $,$ while the wire mesh on top of the grill is covered with steaks initially at $256$ K $.$ The distance between the coal bricks and the steaks is $0\mathrm{.}20$ m $.$

Treating both the steaks and the coal bricks as blackbodies, determine the initial rate of radiation heat transfer from the coal bricks to the steaks. $($Please provide an answer before moving on to the next part.$)$