a=3;
p1=0.84;
p2=0.96;
disp("Part a");
c1=a*p1;
disp("Capacity retention (in Ah) after 20 months at 20 °C is"); disp(c1);
disp("Part b");
c2=a*p2;
disp("Capacity retention (in Ah) after 20 months at 45 °C is"); disp(c2);