edit 3 photos in photoshop

i have 3 pictures of baked bread, they should be delivered in 2 versions, 1 version should have white backround RGB (255/255/255). bread is to be cropped by border of bread, no margin, resolution should be 300 ppi. longest side of bread should be atleast 2400 pixels. color mode rgb exempel Adobe RGB 1998, filesize max 40 mb, need to have activated and correct clip path and it should be named "Path 1" no alpha channels or layers no guiders archive of file should be rgb 8 bits per colorchannel. 2 version fileformat should be PNG. size of the longest side should be minimum 300 pixels. no side can be larger than 500 pixel. color mode rgb. filesize maximum 2mb. IF have clip path it should be named "Path 1" and activated. no alpha channels or layers. transparent background (checkers). crop the picture right at the edges of the bread