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How can conditionals calculate tax brackets, credits, and total tax?

How can conditionals calculate tax brackets, credits, and total tax? (Computer science one · Quadratic Roots Revisited) — "16.3. Examples\n\n1 if(baseTax - cre…

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Code Sample 16.3: A C program that calculates total tax liability
The program reads adjusted gross income and the number of children from the user.
Are the income and number-of-children inputs nonnegative?
Negative inputs are reported as invalid, and the program exits.
Nonnegative inputs are accepted for further tax calculation.
Base tax is calculated using seven income brackets, from 10% below $18,150 to 39.6% above $457,600.
Are there three or fewer children?
The child credit equals the number of children multiplied by $1,000.
For more than three children, the credit is capped at $3,000.
Is the base tax at least as large as the child credit?
Total tax equals base tax minus the credit.
If the credit exceeds the base tax, total tax is set to zero.
The program prints income, base tax, credit, and final tax liability.

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How can conditionals calculate tax brackets, credits, and total tax?

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Computer science one

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"16.3. Examples\n\n1 if(baseTax - credit >= 0) {\n\n2 totalTax = baseTax - credit;\n\n3 } else {\n\n4 totalTax = 0;\n\n5 }\n\nThe full program is presented in Code Sample 16.3.\n\n16.3.3. Quadratic Roots Revisited\n\n1 #include <stdlib.h>\n\n2 #include <stdio.h>\n\n3\n\n4 int main(int argc, char **argv) {\n\n5\n\n6 double income, baseTax, credit, totalTax;\n\n7 int numChildren;\n\n8\n\n9 //prompt for income from the user\n\n10 printf(\"Please enter your Adjusted Gross Income: \");\n\n11 scanf(\"%lf\", &income);\n\n12\n\n13 //prompt for children\n\n14 printf(\"How many children do you have?\");\n\n15 scanf(\"%d\", &numChildren);\n\n16\n\n17 if(income < 0 || numChildren < 0) {\n\n18 printf(\"Invalid inputs\");\n\n19 exit(1);\n\n20 }\n\n21\n\n22 if(income <= 18150) {\n\n23 baseTax = income * .10;\n\n24 } else if(income <= 73800) {\n\n25 baseTax = 1815 + (income -18150) * .15;\n\n26 } else if(income <= 148850) {\n\n27 baseTax = 10162.50 + (income - 73800) * .25;\n\n28 } else if(income <= 225850) {\n\n29 baseTax = 28925.00 + (income - 148850) * .28;\n\n30 } else if(income <= 405100) {\n\n31 baseTax = 50765.00 + (income - 225850) * .33;\n\n32 } else if(income <= 457600) {\n\n33 baseTax = 109587.50 + (income - 405100) * .35;\n\n34 } else {\n\n35 baseTax = 127962.50 + (income - 457600) * .396;\n\n36 }\n\n37\n\n38 if(numChildren <= 3) {\n\n39 credit = numChildren * 1000;\n\n40 } else {\n\n41 credit = 3000;\n\n42 }\n\n43\n\n44 if(baseTax - credit >= 0) {\n\n45 totalTax = baseTax - credit;\n\n46 } else {\n\n47 totalTax = 0;\n\n48 }\n\n49\n\n50 printf(\"AGI: $%10.2f\n\n\", income);\n\n51 printf(\"Tax: $%10.2f\n\n\", baseTax);\n\n52 printf(\"Credit: $%10.2f\n\n\", credit);\n\n53 printf(\"Tax Liability: $%10.2f\n\n\", totalTax);\n\n54\n\n55 return 0;\n\n56 } Code Sample 16.3.: Tax Program in C"

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