Answer:
Prize is $22,071.39 worth today
Explanation:
Present value of Annuity = A*[(1-(1+r)^-n)/r]
A - Annuity payment = 500
r - rate per period = 6/12 = .5%
n - no. of periods = 50
Present value of Annuity = 500*[(1-(1.005)^-50)/.005]
= 500*[(1-0.77928606825)/.005]
= 500*44.14278635
= $22,071.39