One problem with a cane is it is easily tipped over and falls to the ground. Imagine you use I$-$TRIZ to invent an attachment for a cane making it impossible to tip the cane over $($an increase in the useful functions associated with the cane$).$ However, your invention costs a lot of money every one agrees is too much $($an increase in the harmful functions associated with the cane$).$ Did your invention increase or decrease the ideality of the cane? Explain your answer.