Robin runs her own hot dog stand on the U of A campus. The monthly cost of the cart rental and business permit is $800. Robin's contribution margin per unit is $2.00, and her contribution margin ratio is 50%. 1. How many hot dogs does Robin need to sell each month to earn a target profit of $1,400 a month? 2. How much sales revenue does Robin need to generate each month to earn a target profit of $1,400 per month? 1. How many hot dogs does Robin need to sell each month to earn a target profit of $1,400 a month? First identify the formula, then compute the number of hot dogs Robin will need to sell each month to earn a monthly target profit of $1,400. Sales in units