Also Mathew 26:7 ...a woman came to Him with an alabaster jar of expensive perfume, which she poured on His head as He reclined at the table. 8 When the disciples saw this, they were indignant and asked, “Why this waste? 9 This perfume could have been sold at a high price, and the money given to the poor.”…
And Christ replied that she was preparing his body for burial. A righteous deed.