A sampling rate of 40,000 Hz and a sample resolution of 16 bits is used to make a digital recording of a sound that lasts 150 seconds.
What is the minimum file size of the recording in megabytes (MB)?
Assume 1 kilobyte (kB) = 1,000 bytes and 1 megabyte (MB) = 1,000,000 bytes.
You should show your working.