Marvin Company has a beginning inventory of $12$ sets of paints at a cost of $$2\mathrm{.}00$ each. During the year, the store purchased $4$ sets at

a$.$ Calculate the number of paint sets in ending inventory.

Number of paint sets

b$.$ Calculate the cost of ending inventory under LIFO, FIFO, and the weighted average methods.

Note: Round your answers to the nearest cent.

$\backslash$table$[[$Cost of ending inventory under LIFO$],[$Cost of ending inventory under FIFO$],[$Cost of ending inventory under Weighted Average$]]$