2 Days after upgrade to custom membership with PTC Box

Day 2 after upgraded as custom membership, I have click 21 ads X 20 multiplier ($0.005 X 21 X 20 = $2.1), referral clicks 31 ads X 2 multiplier ($0.0005 X 2 X 31 = $0.031). 2 days earning is $2.1 + $0.031 = $2.131