Required:

Using the four BSC perspectives $($learning and growth, internal processes, customer satisfaction, and financial$),$ select these CSFs into the appropriate perspective.

$\backslash$table$[[$Critical Success Factors,$],[$Product manufacturing time,$],[$Customer perception of order$-$taking convenience and accuracy,$],[$Revenue growth,$],[$Selling expense to sales ratio,$],[$Number of new manufacturing processes developed,$],[$Order processing time,$],[$Materials inventory,$],[$Training dollars per employee,$],[$Number of emerging technologies evaluated,$],[$Customer retention,$],[$Manufacturing defects,$],[$Number of new manufacturing processes under development,$],[$Customer satisfaction with speed of service,$],[$Gross margin,$],[$Operating cost ratio,$]]$