That's around 44.64 (0.18831) per month, no wonder ads are preferrable to companies over subscriptions! That's actually a lot for people that listen to music all day every day at work.
Google was famously really resistant to ads at first. They wanted to do a subscription service of some kind, but honestly ads just brought in so much more revenue even back then that it was a nigh-inevitable decision. It produces a crazy amount of economy.