MinoBino is a manufacturer of microwaves. The variable cost of each microwave they produce is $30. MinoBino sells their microwaves to a wholesaler at 50% margin who then sells the microwaves to the retailed at 50% markup. Retailer then adds an undisclosed markup percentage, and sells the product to the consumer at $120. Based on this information, what is the markup (%) of the retailer rounded to the nearest percentage? 10% 33% 25% 50%