A manufacturer estimates his marginal cost and revenue at various levels of output to be the following. If fixed cost is 500, estimate, using the Simpsons rule, the total profit or loss of producing 100 units is Blank 1. Fill in the blank, read surrounding text.
GHC


q (units)

0

20

40

60

80

100

120

MC

260

250

240

200

240

250

270

MR

410

350

300

250

270

250

300