(32- 1060÷40)×(40-5)

=(32-26.5)×35

=5.5×35

= 192.5

A: The profit rate of these good books is 25%, and the profit is 192.5 yuan.

("What is the profit margin?" I don't know whether you want the profit of a good book or the profit of a good book, so there are two results. )

32×( 1- 10%)

=32×90%

=28.8

These broken books are 28.8 yuan each.

[ 192.5-(32-28.8)×5]÷ 1060× 100%

=( 192.5-3.2×5)÷ 1060× 100%

=( 192.5- 16)÷ 1060× 100%

= 176.5÷ 1060× 100%

=353/2 120× 100%

≈ 16.7%

A: The profitability of these books (***40 books) is 16.7%.