diff --git a/app/models/budget.rb b/app/models/budget.rb
index 2380928..2c1ea2f 100644
--- a/app/models/budget.rb
+++ b/app/models/budget.rb
@@ -114,8 +114,8 @@ class Budget
     
     # Find each Member for their rate
     time_logs.each do |time_log|
-      member = Member.find_by_user_id_and_project_id(time_log.user_id, time_log.project_id)
-      total += (member.rate * time_log.hours) unless member.nil? || member.rate.nil?
+      rate = Rate.amount_for(time_log.user, time_log.project, time_log.spent_on.to_s)
+      total += (rate * time_log.hours) unless rate.nil?
     end
     
     return total
@@ -135,10 +135,9 @@ class Budget
     
     time_logs = missing_issues.collect(&:time_entries).flatten
     
-    # Find each Member for their rate
     time_logs.each do |time_log|
-      member = Member.find_by_user_id_and_project_id(time_log.user_id, time_log.project_id)
-      total += (member.rate * time_log.hours) unless member.nil? || member.rate.nil?
+      rate = Rate.amount_for(time_log.user, time_log.project, time_log.spent_on.to_s)
+      total += (rate * time_log.hours) unless rate.nil?
     end
     
     return total
diff --git a/app/models/member_spent.rb b/app/models/member_spent.rb
index a3549ce..9551799 100644
--- a/app/models/member_spent.rb
+++ b/app/models/member_spent.rb
@@ -24,12 +24,14 @@ class MemberSpent
     
     project.members.each do |member|
       member_time_entries = time_entries.select { |tl| tl.user_id == member.user.id}
-      hours = member_time_entries.collect(&:hours).sum || 0.0
+      
+      spent = 0.0
+      hours = 0.0
 
-      unless member.rate.nil?
-        spent = hours.to_f * member.rate
-      else
-        spent = 0.0
+      member_time_entries.each do |time_entry|
+        rate = Rate.amount_for(time_entry.user, time_entry.project, time_entry.spent_on.to_s)
+        spent += time_entry.hours.to_f * rate unless rate.nil?
+        hours += time_entry.hours
       end
       
       membership << MemberSpent.new({