Week 1 2 3 4 5 6 7 8 Number of Campers 138 94 162 116 124 132 152 168 Cost to Run Camp $10,010 8,280 11, 360 9,870 9,030 11,890 12,110 12,720 Intercept X Variable 1 Coefficients 3,166.35 55.19 Suppose that Rainbow is contemplating staying open one additional week during the summer. Required: 1. Using the results of the least-squares regression analysis, determine Rainbow's contribution margin per camper if each camper pays $161 to attend the camp for a week. 2. Using the results of the least-squares regression analysis, prepare a contribution margin income statement for week 9 assuming Rainbow expects to have 152 campers that week. 3. Should Rainbow add a ninth week to its schedule