Question

Which of the following statements does not describe a way the sewing machine industry changed after the introduction of interchangeable parts?

A.
The costs of sewing machines began to increase.
B.
Isaac Singer invented a machine for home use.
C.
Sales of home machines increased.
D.
The mass production of home sewing machines began.

Answer 1

A

Step-by-step explanation:

proven correct

Answer 2

The appropriate choice for the non-event is ...

... A. The costs of sewing machines began to increase.

_____

Interchangeable parts generally reduce costs and increase demand (and production).