I would not have lied. It will hurt you more in the long run than an irate moment or two at the outset. Now you not only have to shoulder the cost of the equipment but you have to either confess and deal with it or bear your guilt silently, knowing that you'll remember the lie every time you use it. There's also the possibility that he will find out anyway. I don't always volunteer info, but I will tell if asked. I believe that lying breaks trust and without trust, life can be a living he--.