Siesta inc., a mattress store, recently launched a new range of mattresses. according to the management of the company, these mattresses are made with advanced technology and guarantee a good sleep. however, the sales are not very promising. an in-store survey shows that consumers find the mattresses expensive and are reluctant to invest too much in a product that is new in the market. to boost the sales, the marketing team decides to reduce the price by ten percent and offer a three-month return policy. as soon as these changes are implemented, the sale of the new mattresses picks up. the reduction in the price and the offer of return policy are examples of