Donna is a partner of Don-Tel Lawn Care, a partnership in the business of providing lawn care services. While mowing a lawn using a partnership mower, Donna negligently runs over a piece of metal, sending pieces of metal flying through the air. One piece hits the client's patio door and shatters the glass. Is Donna liable to the client? Are Donna's partners liable to the client?

Provide the issue, rule, facts. Use IRAC format.