Develop a bill of materials, and assembly chart, and an operation process chart$($ rout sheet $+$ assembly chart$)$ for a cheeseburger or a taco with everything on it$.$ Identify the components that are purchased and the ones that are prepared internally. $2.$Four operations are performed to produce a part. The scrap rate for these operations are follow:Op$1$: $0\mathrm{.}5\%,$ Op$2$: $2\mathrm{.}05\%,$ Op$3$:$2\mathrm{.}0\%,$ and Op$4$:$3\mathrm{.}50\%.$ If $3500$ finished parts are required how many parts do we starts with?