In an office, three employees vmay, sonia, and iqbal process incoming copies of a certain form. vinay process 50% of the forms. Sonia processes 20% and iqbal the remaining 30% of the forms. vinay has an error rate of 0.06, Sonia has an error rate of 0.04 and iqbal has an error rate of 0.03.

What is the conditional probability that an error is committed in processing given that sonia processed the form.