You work in a foundry where you get paid by the number of castings you produce in a day. The salary scale for the pieces is as follows: for less than 150 pieces you make $.75/ea; for 150-250
pieces you make $1.00/ea; and for more than 250 pieces you make $1.50/ea. On Monday you made
150 pieces, Tuesday you made 251 pieces; Wednesday you made 100 pieces; Thursday was an off
day; and on Friday you made 300 pieces. What was your gross pay for the week?