What is the estimated cost of controlled prescription drug diversion per year? radio_button_checkedradio_button_uncheckedA) $45.8 million radio_button_checkedradio_button_uncheckedB) $60.2 million radio_button_checkedradio_button_uncheckedC) $24.4 billion radio_button_checkedradio_button_uncheckedD) $72.5 billion