15.15 Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for (1) cutting and sowing and (2) delivery of each of the suits. Which schedule finishes sooner: First-come, first-served (123) or a schedule using Johnson's rule? 15.15 Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for (1) cutting and sowing and (2) delivery of each of the suits. Which schedule finishes sooner: First-come, first-served (123) or a schedule using Johnson's rule