HW14 installment 1...
  36A  Rosen8.4  4
  36B  Rosen8.4  6b
  36C  Rosen8.4  8a

HW14 installment 2...
  37A  Rosen9.1  6
  37B  Rosen9.1 20cd
  37C  Rosen9.2  4cd(sum-of-products and product-of-sums)

HW14 installment 3...
  38A  Rosen9.3  4
  38B  Rosen9.3  6bc
  38C  Rosen9.3  8