50% Tuns her own hot dog stand on the U of A carpus The monthly cost of the cart rental and business permit is $500. Robin's contribution margin per unit is $1.00, and her contribution margin ratio is 1. How many hot dogs does Robin need to sell each month to earn a target profit of $900 a month? 2. How much sales revenue does Robin need to generate each month to earn a target profit of $900 per month? 1. How many hot dogs does Robin need to set each month to eam a target profit of $900 a month? First identify the formula, then compute the number of hot dogs Robin will need to set each month to eam a monthly target profit of $000 Sales in unds