We're all taught that honesty is the best policy, and a California teen is living the mantra.

According to KCRA, Matt Vela had just started a new job at a grocery store.  He was collecting shopping carts in the parking lot when he found a bag left in one of the baskets.

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When he picked it up, the contents fell out including $15,000 in cash.

Vela took the bag to his boss and as luck would have it, a woman called the store to find out if anyone had found her bag.

The cash was slated to buy a car for her son, KCRA reported.