Formula for Tiered Pricing

Hello,

I was hoping someone could assist me with the following problem. I am trying to work on a formula that will assist me with billing for tiered pricing. The tiers and pricing are as followed -

up to 10,000 - 0.20 cents per record
10,001 - 50,000 - 0.10 cents per record
50,001-100,000 - 0.05 cents per record
100,001 - 500,000 - 0.03 cents per record
500,001-1,000,000 - 0.02 cents per record

I have been trying to utilize the sum product formula which is as followed - =SUMPRODUCT(--(O2>{0,10000,40000,50000,400000,500000}),--(O2-{0,10000,40000,50000,400000,500000}),{0,0.2,-0.1,-0.05,-0.03,-0.02})-P2

however I am off by 1k.

I have also attached the spreadsheet I am working on which gives the amount of records per month. Any help will be appreciated