If a company invests in production improvement option D that will boost labor productivity by 50%, while its annual depreciation costs will rise by an amount equal to 10% of the investment costs associated with installing option D, it is accurate to say that its labor costs per pair produced will decline

A. from $5.00 per pair to $2.50 for a production facility in Latin America that currently has labor productivity of 4,000 pairs per worker and total regular compensation (which does not include overtime pay) of $20,000 annually.
B. by 50% per pair at any production facility of any size capacity because the gains in labor productivity are 50% irrespective of what other differences in labor-related conditions may exist.
C. from $8.00 per pair to $6.40 for a production facility in Europe-Africa that currently has labor roductivity of 4,000 pairs per worker and total regular compensation (which does not include overtime pay) of $32,000 annually.
D. will be greatest at Asia-Pacific plants having comparatively low total annual compensation per employee as compared to North American plants having comparatively high levels of annual compensation per employee
E. from $8.00 per pair to $5.33 for a production facility in North America that currently has labor productivity of 5,000 pairs per worker and total regular compensation (which does not include overtime pay) of $40,000 annually