need answer to last 3 parts

ACD Company sells electric scooters. It has the following contribution margin income statement for 2,000 scooters: Calculate the number of units needed to break-even. If the result is not a whole number, round up to the next highest number. Answer: Calculate the number of units needed to earn a target profit of $750,000. If the result is not a whole number, round up to the next highest number. Answer: At a sales volume of 2,000 scooters (as shown in the contribution margin income statement), calculate the margin of safety ratio. Enter the percentage as a decimal to three decimal places (e.g., 62.5% would be .625). Answer: Assume ACD has positive net income (in other words, its sales are above the break-even point). If ACD sells one more scooter, by how much will its net income increase