Cool Gafitas Inc. sells sunglasses. Last year the glasses sold for $35 each, with variable costs per glasses of $23 and fixed operating costs of $25,000. How many glasses does Cool Gafitas have to sell this year to break even considering the aforementioned costs, given the following scenarios? All numbers remain the same as last year. (3 points) Fixed operating costs increase to $33,000, other items remain the same. (3 points) Selling price is increased to $40, all costs remain the same as last year. (3 points) The variable cost per glasses increases to $27, the other items remain the same as last year. (3 points)