davis, but not necessarily living there. >> i want to share, in addition to you and i speaking right now for our audience, on the left side of the screen, howardre seeing vaccines take place right now. talk to us about how you made these tests significantly cheap sler. for most of us who want to get those at-home saliva tests, they cost $100 to 150 bucks. >> yeah, well, we happen to be a big ag research school so, of course, we turned to ag biotech and we ended up using a platform that was designed really for looking at plant pathogens, looking at dna rna for plant pathogens. you have little microwells for these pcr reaction. it's a higher through put platform than with some of the other commercial machines. that was one thing we did. we worked with a couple of vendors to perfect that and ran the first three weeks or so with our testing, we ran that in parallel with nasal testing from a commercial lab to make sure we had results that were concordance. we're able to do higher capacity testing at much lower cost. the unit cost may be in the order of $6 per unit. now that's not including aq acquisition costs, but that's an order magnitude lower t