The table shows data from a party planner, representing the number of people at an event x and the total dollar cost to host the event y x 50 75 100 125 140 150 175 200 220 y 1 comma 550 2 comma 100 2 comma 425 2 comma 900 3 comma 100 3 comma 500 3 comma 800 4 comma 200 4 comma 400 When using the median-fit method with summary points open paren 75 comma 2 comma 100 close paren , open paren 140 comma 3 comma 100 close paren , and open paren 200 comma 4 comma 200 close paren , what is the approximate y -intercept of the best-fit model? Round to the nearest whole number if necessary.