c$)$ Compare the amount of each payment$-$paying slightly more on every payment$-$using a table like the following. $(3$ marks: $2$ marks for correct second row values with higher payment, $1$ mark for final question$)$

$\backslash$table$[[$Payment$,\backslash$table$[[$Total Number of$],[$Payments$]],$Total Interest Paid$],[$$$\frac{1050\mathrm{.}62}{?}$ month,$300,\backslash$table$[[($Here you may copy your$],[$answer from part a$)]]],[$$$\frac{1250}{?}$ month,,$],[$Which is the best choice and how much would be saved?,$],[,,],[,],[,,]]$

d$)$ Compare interest rates$-25-$year amortization period at $6\%$ versus $7\%$ interest$-$using a table like the following. $(3$ marks: $2$ marks for correct second row values with lower interest values, $1$ mark for final question$)$

$\backslash$table$[[$Interest$,$Monthly Payment,Total Interest Paid$],[7\%,$$$1050\mathrm{.}62,\backslash$table$[[($Here you may copy your$],[$answer from part a$)]]],[6\%,,]]$

Which is the best choice and how much would be saved?