In each of the questions below, a sentence is given with four words highlighted in bold in the sentence. Among these bold words, one may be wrongly spelled. The option with the incorrect spelling of that word is the answer. If all four words are correctly spelled mark 5. i.e. 'All are correct' as the answer.

Her extravagent lifestyle led to a rapid depletion in her bank account, resulting in a state of constant financial insecurity .