Answer: $19,800
Step-by-step explanation:
Actual Revenue would be the most appropriate base to use because it is the most influenced by advertising effort and sound managerial practices.
Total actual revenue from all centers is $1,620,000.
Actual revenue for Irvine center is $534,600.
Advertising expenses to Irvine would be:
= Advertising cost * Actual revenue for Irvine / Total actual revenue for all centers
= 60,000 * 534,600 / 1,620,000
= $19,800