Agatha Christie's company held a local 2-day training program for her and 3 co-workers.
They were all paid their regular wages for the time they were released from their regular
work. These wages totaled $850 for the group. Refreshments and lunch were served for a
cost of $45 per person. The instructor who conducted the training charged $300 per day.
Supplies for the program were $17 per person. Travel expenses for the group totaled $105.
What was the total cost for the seminar?