Bumble, after watching Bimble's analysis, wants to predict the amount of spending ($) from customers'durationof stay (minutes),age(years), andgender(0 = male, 1 = female) accordingto the sample data. Run an appropriate regression model and report the coefficients below (4 decimals). *If a variable should not be used, put the number 0 (zero).

What is the target variable?