How many DALYs are lost by a person who has a life expectancy of 74, contracts HIV/AIDS at the age of 40 and lives until the age of 60? This person receives antiretroviral medication two years after she/he contracts HIV/AIDS until she/he dies. [The weighting for HIV/AIDS without antiretroviral medication is 0.5. The weighting for HIV/AIDS with antiretroviral medication is 0.167.]