hi can you help me Calculate the following ratios

for Year $2.$

$($a$)$ Inventory turnover.

$($b$)$ Accounts receivable turnover.

$($c$)$ Return on total assets.

$($d$)$ Times interest earned.

$($e$)$ Total asset turnover.

Year $2$ Year $1$

Assets:

Cash $ $18,000$ $ $22,000$

Marketable securities $25,0000$

Accounts receivable $38,00042,000$

Inventory $61,00052,000$

Prepaid insurance $6,0009,000$

Long$-$term investments $49,00020,000$

Plant assets, net $218,000225,000$

Total assets $ $415,000$ $ $370,000$

Net income after interest expense and

taxes

$ $62,250$

Sales $($all on credit$)305,000$

Cost of goods sold $123,000$

Interest expense $15,600$

Income tax expense $27,000$