A certain machine produces 780 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 4 days?	Choose the correct choice:
A) 7,000	B) 24,000	C) 74,880	D) 100,000	E) 168,000
Since 7 days consist of 24*4 hours the total is 96 hours.   Since every hour the machine produces 780 units of product P the total product during 96 hours is 96*780=74,880.   Correct Option : 100,000
<result>D</result>
A certain machine produces 780 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 4 days?