[chopperman]

Modifying the multiplication equations as below can eliminate the hidden stuff and solve the penny problem:

L14=0.01*INT(100*L12*0.29+0.5)
L15=0.01*INT(100*L12*0.06+0.5)

etc.

[chopperman]

Even simpler:

L14=ROUND(L12* 0.29,2)
L15=ROUND(L12* 0.06,2)