-The Above Table Shows the Marginal Benefits and Costs from the Production

-The above table shows the marginal benefits and costs from the production of fertiliser. There are no external benefits. If the market is perfectly competitive and unregulated, at the equilibrium level of output,

A) resource allocation is efficient.
B) consumers must pay too high a price for fertiliser.
C) too few tonnes of fertiliser are produced.
D) resource allocation is inefficient.