You could just offer 1% PPS of 1 MH/s instead of 100% PPS of 10 KH/s...
Odd numbers just make it more difficult for investors to calculate how much the "standard" of 1 MH/s would cost.
Also your calculations seem weird: Why do 1% of something generate completely different amounts of BTC and not just 0.01 * [revenue of 1 MH/s]?!
Also I don't get why people should be discouraged to hold 100 bitdust shares instead of 1 YABMC share for example. It would be even better, since there might be more liquidity.
I can't take the time but I have this gut feeling that you complain about non-100% PPS bonds so I'll take your complaining with a grain of salt. Odd numbers don't matter to scripts, only humans.
Regarding discouraging individuals from holding these bonds for long durations, my goal here is not to create another mining company that directly competes with the more efficient operations out there such as YABMC. Instead, my goal is to compliment their services by giving their users a place to store their bitdust while waiting to generate enough to purchase something useful. Liquidity should be provided by users frequently buying in and selling out for short periods of time.