Seconds at a price per minute in micro-dollars, rounded up to the micro-dollar.
Parameters
seconds: number
microPerMinute: number
Returns number
Throws
When microPerMinute is not whole micro-dollars, zero or more: a price in US dollars passed in
its place (0.003 for 3,000) would price an hour at one micro-dollar.
Seconds at a price per minute in micro-dollars, rounded up to the micro-dollar.