please answer $3$a and $3$b Required information

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The following data pertain to British Isles Aggregates Company, a producer of sand, gravel, and cement, for the year just

ended.

Sales revenue

Cost of goods sold

Operating expenses

Average invested capital

$7,000,000$

$2,660,000$

$3,920,000$

$1,400,000$

$$ denotes the British pound sterling, the national monetary unit of Great Britain.

$3-$a$.$ Assuming that the expenses and cost of goods sold are reduced in order to improve the firm's ROI to $35$ percent, compute the

firm's new sales margin.

$3-$b$.$ Show how the new sales margin and the old capital turnover together result in a new ROI of $35$ percent.

Complete this question by entering your answers in the tabs below.

Assuming that the expenses and cost of goods sold are reduced in order to improve the firm's ROI to $35$ percent, compute the

firm's new sales margin.

Note: Round your answers to $2$ decimal places $($i$.$e$.,\mathrm{.}1234$ should be entered as $12\mathrm{.}34).$