Using the prices listed and assuming a 10 hour work day, one denarius was worth:
1/4 of a decent beer, or 1/2 of a Egyptian beer
1/2 an ounce of Pork Mincemeat
1/12th of an Italian pound of Venison
1/2 a bath
With a 10 hour day, laborers made:
2.5 denarii an hour for farm labor
5 denarii an hour for carpentry
2.5 denarii an hour for data entry (scribing)
1.5 denarii an hour for entry level teaching
(assuming 10 pupils and 10 hour workday