1. Computer making industry is not developing rapidly.
2. Many companies don't often operate a bonus system for monthly and weekly-paid
staff.
3. Without surplus goods, there were no profits or saving in the 18th century.
1. Is computer making industry developing rapidly?
2. Do many companies often operate a bonus system for monthly and weekly-paid
staff?
3. Were there no profits or saving in the 18th century without surplus goods?