$15\mathrm{.}20$Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The following table highlights the time taken in hours for $(1)$ cutting and sewing and $(2)$ delivery of each of the suits. Which schedule finishes sooner: first come, first served $(123)$ or a schedule using Johnson$$s rule?

Times Taken for Different Activities $($hours$)[$PX$]$

SUITCUT AND SEWDELIVER$142277365$