The "take a penny, leave a penny" program is there for the convenience the customers.
In this sentence, convenience is a noun used as the subject of the sentence.irelandawn
The convenience store was at the junction of State Road 83 and Highway 97.
We offer an after school care program for the convenience of working parents. Even though a Big Mac is not a healthy dinner, I like the convenience of fast food. To avoid parking hassles and costs, many people enjoy the convenience of public transportation.
She stood indifferently watching her friends as they broke into the convenience store; the police were on their way.
I went to the convenience store just down the way. I know the way to Candy Mountain.
You should write it down and look it up in a dictionary at your earliest convenience.
Please call collect at your convenience. This knick knack will just collect a lot of dust.
The convenience store was so close to where I lived that it was a stone's throw away from my house.
The police are investigating a recent robbery that occurred at the local convenience store.
Pittsburgh police are searching for a butterfingered convenience store robber who got away with seven packs of cigarettes.
It depends on how you use it in a sentence: Our in-office services are there for your convenience. -or- You should check in Office Services for your lost keys.
To improve the clarity and tone of the sentence, you can rephrase it as: "We would appreciate it if you could provide this information at your earliest convenience." This version is more polite and emphasizes urgency without sounding demanding.