Problem $19$ asks for the partial productivities $($also referred to as single$-$factor

productivities$)$ with regard to each and every individual input for last year and also

for this year. The problem also asks for the total productivity $($also referred to as

the multifactor productivity$).$

Additional items for Problem $19$:

$1.$ Calculate and state the percent increase or decrease in productivity from

last year to this year for each and every individual partial productivity

measure.

$2.$ Calculate and state the percent increase or decrease from last year to this

year with respect to the total productivity $($also referred to as multifactor

productivity$).$