I know this sounds stupid but I am a noob. I need to print an 8R photo but I already resized the image to 800px x 536px with dpi of 300. I know 8R photo needs at least 3000px for the longer side. So if I were to resize the image size back to 3000px x 2010px, is it still ideal for printing in 8R? I always thought that once you downsize your photo and you upsize it back, it will makes a lot of difference. Urgent help!