Answer: The indirect object in the sentence provided is "a la recolectora".
Explanation: The indirect object of a sentence is a noun or pronoun that is affected by the action denoted by the verb. Moreover, the indirect object receives the direct object. In the sentence provided, the indirect object is "a la recolectora" because it is denoting the person affected by the transitive verb "da". Moreover, "a la recolectora" is receiving the direct object "la basura". Also, most of indirect objects in Spanish are introduced by the preposition "a".