In $2018,$ Americans generated $292\mathrm{.}4$ million tons of nonhazardous municipal solid waste. Of that waste,

$50\mathrm{.}0$ percent was discarded

$38\mathrm{.}2$ percent was recovered

$11\mathrm{.}8$ percent was burned with energy recovery at $550kWh$ of electricity per ton

Fill in the table to answer the following:

a$.$ How many tons were discarded, and what is the method by which solid waste is discarded?

b$.$ How many tons were recovered, and what are the methods of recovery?

c$.$ How many tons were burned, what was the method for producing electricity, and how much electricity was generated?

$\backslash$table$[[$Endpoint of municipal solid waste,Tons $($millions$),$Method$],[$discarded$,,],[$recovered$,,],[$bumed with energy recovered,,$]]$

d$.$ After completing the table, discuss the positive and negative environmental impacts of eliminating one of the three endpoints.