The demand and supply functions for a certain company are given as ld=455,1wd and ls=15+4,9ws respectively, where labour (l) is measured in number of workers and wage (w) in hourly salary. How many workers must the company employ at equilibrium and at what salary per hour? a. At equilibrium the company should employ 14 workers at a wage of R6 per hour. b. At equilibrium the company should employ 6 workers at a wage of R14 per hour. c. At equilibrium the company should employ 14 workers at a wage of R14 per hour. d. At equilibrium the company should employ 6 workers at a wage of R6 per hour