(1 point) Deshaun is a plumber who charges $40 per hour for his work. Another plumber, Silvio, charges based on the equation d = 60+ 20h, where h is the number of hours worked and d is the cost in dollars. Which statement is true? a b Deshaun's charge per hour is more expensive. Silvio's charge per hour is more expensive. Deshaun and Silvio charge the same amount. Deshaun's initial value is $20. C d​