Hi, Ive just completed my first Brew, its just gone in the keg to carbonate. but i think i made a few errors, first off i think i miss understood the mash process ( THE MASH Temperature °C: 65, Length (mins): 60, Out temp °C: 75, Out time (mins): 10 ), I mashed at 75c when i should have...

Would it be possible to calculate the extra bitterness derived from late addition boil hops when you also add whirlpool hops and leave everything in the wort during the whirlpool? For example, I recently created a recipe that had a small 60 minute addition and then two large hop additions split...