i need answer in 10 minutes

Local Co. has sales of

$10.5

million and cost of sales of

$5.8

million. Its selling, general and administrative expenses are

$450,000

and its research and development is

$1.3

million. It has annual depreciation charges of

$1.3

million and a tax rate of

35%.

Local's gross margin is

44.76%,

its operating margin is

15.71%,

and its net profit margin is

10.21%.

If Local Co. had interest expense of

$800,000,

how would that affect each of its margins?

1. Local's new gross margin is? ____ %,

2. new operating margin is ? ____ %,

3. new net profit margin is? ___ %.