Need work for 1 2 and 3

Below is the contribution formatted income statement from White Stone Corporation. Record your final answer on the blank lines. Sales (10,000 units) $270,000 Variable expenses 200,000 Contribution margin 70,000 Fixed expenses 37,400 Net operating income $32,600 1. If sales increase to 10,050 units, what would be the estimated increase in net operating income? 2. If the variable cost per unit increases by $5, spending on advertising increases by $5,000, and unit sales increases by 10,200 units, what would be the estimated net operating income/loss? 3. Estimate how many units must be sold to achieve a target profit of $46,100 1. Increase by $1,630,000 2. Income of $3,253,000 3. Around 7500 units