C. They are good.
Hope it helps with whatever problem you have. :D
Explanation:
A community. Biomes and ecosystems both include biotic and abiotic factors. A population is one species living in a given area.
7 percent times 290000 in your calculator. $290000 take away the answer. You will get the answer for January the 1st. 6 percent times 302371. 302371 take away the answer. You will have the answer for June 30 and December 31. You will have to plus them all together to get the bond.