a) Distinguish between finite and infinite loading with relevant examples. a) ZANJI company does heat-treating (annealing, case hardening, water plunge, oil plunge, etc) jobs for customers. Each job usually requires a different setup, and these changeovers have different costs. Today the company must decide the job sequence for five jobs to minimise changeover costs. Below are the changeover costs between jobs. 03 i. Determine the job sequence for the above operation will minimise the changeover costs? ii. What is the total changeover cost for all five jobs