questions on Pierson pet Products

still wrong answers for [b] basic beds is

19680 custom was wrong &[c];custom is 9,840&basic beds was wrong.

on [b]notes:in your Computations round up the total units to break even to the nearest whole number and round Other intermediate calculations to 2 decimals places.

on [c] note:something

And thank you very much for your help. I think the note will change things.thanks you again.

everything is there already I wrote everything down.&when I place the numbers &check my work it says wrong. it has something to do with the NOTE on how to do a,b,c, thanks