A raw potato was found to have a mass of 330 grams. The potato was sliced and the slices were set in a single layer of screen wire to dry in the sun. The potato was measured after 7, 14, and 21 days and found to be 212 g, 148 g, and 126 g respectively.

What is the total mass of the potato likely to be on day 23?
a. 125g
b. 95g
c. 80g
d. 150g