I saved a Giant Nutra (hybrid 700c ) from the dump and Im going to build it up for a winter commuter. It came from the factory with 7 speed shimano alivio trigger shifters. What would be a good replacement? The right one I have is broken (broken mounting). I am looking for a cheap trigger shifter replacement as I dont want to spend much as I got it for cheap.

Edit. 7 speed rear 3 speed triple