Mary sews for a 'clothing manufacturer. She is paid $10.75 per hour plus a piecework rate that depends on the type of garment in production. The current production run is men's shirts, for which she is paid $4 for each unit exceeding her quota of 30 shirts in an 8-hour shift. What is her total pay for a regular workweek in which her output on successive days is 34, 36, 37, 38, and 30 shirts?