MachinCo runs a custom machine shop. Four jobs have to done today. There are five machines, each of which can do at most one job per day. The costs (in 100's of dollars) of doing each job on each machine are as follows:
| Job 1 | Job 2 | Job 3 | Job 4 | |
| Machine 1 | 14 | 5 | 8 | 7 |
| Machine 2 | 2 | 12 | 6 | 5 |
| Machine 3 | 7 | 8 | 3 | 9 |
| Machine 4 | 2 | 4 | 6 | 10 |
| Machine 5 | 5 | 5 | 4 | 8 |
What is the cheapest way to do today's work?