27 (2 points) Hyde's Headphones sells deluxe headphones for $90 each. Unit variable expenses total $70. The breakeven sales in units is 1000 and budgeted sales in units is 4620. What is the margin of safety in dollars? $325,800 $505,800 $3620 $40.2222222 Question 28 (2 points) Direct Call offers a calling plan that charges $5.00 per month plus $0.07 per minute of call time. Under this plan, what is your monthly cost if you talk for a total of 100 minutes? $2.00 $7.00 $12.00 $5.00