Answer:
True.
Explanation:
The Contribution margin i.e Sale price less Variable Cost per unit for product A is (15-4) is $11 & for product B is ( 21-13) is $8. for making 4 units of product A we need three machine hours, so if we divide units by machine hours only 0.9 unit of A can be made in an hour  while we can made 5 units in 0.7 hours pf product B, so if we divide 5 by 0.7, approximately 7 unit of B can me made in an hour.
Thus, in the production of 1 hour we can make $10 from product A while we can make $ 57 from product B.
Product A Product B
S.P Â $15.00 Â $21.00 Â
V.C Â $4.00 Â $13.00 Â
Contribution Margin Per unit  $11.00  $8.00 Â
Units Produce Per hour Production 0.9 7
CM Per hour  $10.27  $57.14 Â