Answer:
Step-by-step explanation:
Dear (insert managers name here),
Our family is very grateful for your kindness and generosity. We cannot even explain how much this helps us. It is so kind, to see one donating helpful tools to help the elderly, especially to people all around the community. Once again, I thank you for your generosity, giving my grandfather this walking stick. Thank you.
Sincerely,
(insert name here)