Based on the various costs of producing the rolls of paper, the multifactor productivity is c. 58.394.
This can be found by the formula:
= Cost of standard production / (Labor + Material + Overhead costs)
Solving gives:
= (20,000 x 2 per roll) / ( 240 + 25 + 420)
= 58.894 rolls
In conclusion, option C is correct.
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