Table:
mop	$4.00

padlock	$3.00

measuring tape	$6.00

bucket	$4.00

wrench	$4.00

broom	$9.00

Examine the given table and identify the contents of cells located at specified locations, denoted by row and column indices. The value of every target cell should be presented in the JSON format of {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}, e.g., {"row_id":"10", "column_id":"3", "cell_value":"District"}.
Specified positions:
the 1st row and the 2nd column,
the 5th row and the 1st column,
the 4th row and the 2nd column,
the 2nd row and the 2nd column,

The target cell values are as follows:
{"row_id":"1", "column_id":"2", "cell_value":"$4.00"}
{"row_id":"5", "column_id":"1", "cell_value":"wrench"}
{"row_id":"4", "column_id":"2", "cell_value":"$4.00"}
{"row_id":"2", "column_id":"2", "cell_value":"$3.00"}