Indicate which of the following characteristics relate to top-down (TD) market analysis and which relate to bottom-up (BU) market analysis: Type of Market Analysis (enter below) Description Is the most precise method for estimating the value of a market segment Begins with overall spending on the disease state, then divides total spending into categories based on the percentage of customers in each segment Assumes the same spending per patient across the various segments. Derives the total market size by multiplying the number of customers within each market segment by the associated costs of their treatment