i n eed typed answer with explanation don't use chatgpt to answer. explain why remaining options incorrect i will thumb up.

Miller Corporation produces a single product, with both fixed and variable costs. The company is expecting that the selling price will increase next year, but that it can keep variathe costs per unit and fixed costs at the current levels. What effect will the selling price increase have on the contribution margin ratio (contribution margin divided by revenue) for next year, and on the break-even point in number of units for next year, respectively? Contribution margin ratio will increase, break-even point units will increase Contribution margin ratio will decrease. break even point units will increase Contribution margin ratio will increase. break even point units will decrease. O Contribution margin will remain the same, break even point units will remain the same. Contribution margin ratio will decrease, break even point units will decrease