Answer: 27.3%
Step-by-step explanation:
Effective annual cost =( ( 1 + Interest) ^ Period ) - 1
Period = 365/Collection period
= 365/29
= 12.586 days
Interest = Discount rate / ( 1 - Discount rate)
= 1.9% / ( 1 - 1.9%)
= 1.9368%
Effective Annual cost = ( ( 1 + 1.9368) ^ 12.586 ) - 1
= 27.3%