Felly, rydych chi'n dweud ei bod hi'n debygol fod y ffigur sydd wedi cael ei amcangyfrif ar gyfer y Llywodraeth—y £25.51 miliwn—yn rhy uchel o lawer ar gyfer y gwaith.
So, you're saying that the figure that's been estimated for the Government—which is the £25.51 million—is likely to be far too high for the work.