Sending 10 messages
Bulk send complete! Cost = 10.45
===============================================================
Sending 20 messages
Bulk send complete! Cost = 21.90
===============================================================
Sending 30 messages
Bulk send complete! Cost = 34.35
===============================================================
Sending 40 messages
Bulk send complete! Cost = 47.80
===============================================================
Sending 50 messages
Bulk send complete! Cost = 62.25
===============================================================